{"id":50,"date":"2025-05-14T08:48:20","date_gmt":"2025-05-14T08:48:20","guid":{"rendered":"https:\/\/glutenfreepleasure.com\/__proxy_domain\/themetabolicclinic.com.sg\/?page_id=50"},"modified":"2026-09-02T06:22:20","modified_gmt":"2026-09-02T06:22:20","slug":"hyperthyroidism-overactive-thyroid","status":"publish","type":"page","link":"https:\/\/glutenfreepleasure.com\/__proxy_domain\/themetabolicclinic.com.sg\/hyperthyroidism-overactive-thyroid\/","title":{"rendered":"Hyperthyroidism\/ Overactive Thyroid"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">What is Hyperthyroidism?<\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-794e3cfa wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<blockquote class=\"instagram-media\" data-instgrm-permalink=\"https:\/\/www.instagram.com\/reel\/DOZ7idTD_3Z\/?utm_source=ig_embed&amp;utm_campaign=loading\" data-instgrm-version=\"14\" style=\" background:#FFF; border:0; border-radius:3px; box-shadow:0 0 1px 0 rgba(0,0,0,0.5),0 1px 10px 0 rgba(0,0,0,0.15); margin: 1px; max-width:540px; min-width:326px; padding:0; width:99.375%; width:-webkit-calc(100% - 2px); width:calc(100% - 2px);\"><div style=\"padding:16px;\"> <a href=\"https:\/\/www.instagram.com\/reel\/DOZ7idTD_3Z\/?utm_source=ig_embed&amp;utm_campaign=loading\" style=\" background:#FFFFFF; line-height:0; padding:0 0; text-align:center; text-decoration:none; width:100%;\" target=\"_blank\"> <div style=\" display: flex; flex-direction: row; align-items: center;\"> <div style=\"background-color: #F4F4F4; border-radius: 50%; flex-grow: 0; height: 40px; margin-right: 14px; width: 40px;\"><\/div> <div style=\"display: flex; flex-direction: column; flex-grow: 1; justify-content: center;\"> <div style=\" background-color: #F4F4F4; border-radius: 4px; flex-grow: 0; height: 14px; margin-bottom: 6px; width: 100px;\"><\/div> <div style=\" background-color: #F4F4F4; border-radius: 4px; flex-grow: 0; height: 14px; width: 60px;\"><\/div><\/div><\/div><div style=\"padding: 19% 0;\"><\/div> <div style=\"display:block; height:50px; margin:0 auto 12px; width:50px;\"><svg width=\"50px\" height=\"50px\" viewBox=\"0 0 60 60\" version=\"1.1\" xmlns=\"https:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"https:\/\/www.w3.org\/1999\/xlink\"><g stroke=\"none\" stroke-width=\"1\" fill=\"none\" fill-rule=\"evenodd\"><g transform=\"translate(-511.000000, -20.000000)\" fill=\"#000000\"><g><path d=\"M556.869,30.41 C554.814,30.41 553.148,32.076 553.148,34.131 C553.148,36.186 554.814,37.852 556.869,37.852 C558.924,37.852 560.59,36.186 560.59,34.131 C560.59,32.076 558.924,30.41 556.869,30.41 M541,60.657 C535.114,60.657 530.342,55.887 530.342,50 C530.342,44.114 535.114,39.342 541,39.342 C546.887,39.342 551.658,44.114 551.658,50 C551.658,55.887 546.887,60.657 541,60.657 M541,33.886 C532.1,33.886 524.886,41.1 524.886,50 C524.886,58.899 532.1,66.113 541,66.113 C549.9,66.113 557.115,58.899 557.115,50 C557.115,41.1 549.9,33.886 541,33.886 M565.378,62.101 C565.244,65.022 564.756,66.606 564.346,67.663 C563.803,69.06 563.154,70.057 562.106,71.106 C561.058,72.155 560.06,72.803 558.662,73.347 C557.607,73.757 556.021,74.244 553.102,74.378 C549.944,74.521 548.997,74.552 541,74.552 C533.003,74.552 532.056,74.521 528.898,74.378 C525.979,74.244 524.393,73.757 523.338,73.347 C521.94,72.803 520.942,72.155 519.894,71.106 C518.846,70.057 518.197,69.06 517.654,67.663 C517.244,66.606 516.755,65.022 516.623,62.101 C516.479,58.943 516.448,57.996 516.448,50 C516.448,42.003 516.479,41.056 516.623,37.899 C516.755,34.978 517.244,33.391 517.654,32.338 C518.197,30.938 518.846,29.942 519.894,28.894 C520.942,27.846 521.94,27.196 523.338,26.654 C524.393,26.244 525.979,25.756 528.898,25.623 C532.057,25.479 533.004,25.448 541,25.448 C548.997,25.448 549.943,25.479 553.102,25.623 C556.021,25.756 557.607,26.244 558.662,26.654 C560.06,27.196 561.058,27.846 562.106,28.894 C563.154,29.942 563.803,30.938 564.346,32.338 C564.756,33.391 565.244,34.978 565.378,37.899 C565.522,41.056 565.552,42.003 565.552,50 C565.552,57.996 565.522,58.943 565.378,62.101 M570.82,37.631 C570.674,34.438 570.167,32.258 569.425,30.349 C568.659,28.377 567.633,26.702 565.965,25.035 C564.297,23.368 562.623,22.342 560.652,21.575 C558.743,20.834 556.562,20.326 553.369,20.18 C550.169,20.033 549.148,20 541,20 C532.853,20 531.831,20.033 528.631,20.18 C525.438,20.326 523.257,20.834 521.349,21.575 C519.376,22.342 517.703,23.368 516.035,25.035 C514.368,26.702 513.342,28.377 512.574,30.349 C511.834,32.258 511.326,34.438 511.181,37.631 C511.035,40.831 511,41.851 511,50 C511,58.147 511.035,59.17 511.181,62.369 C511.326,65.562 511.834,67.743 512.574,69.651 C513.342,71.625 514.368,73.296 516.035,74.965 C517.703,76.634 519.376,77.658 521.349,78.425 C523.257,79.167 525.438,79.673 528.631,79.82 C531.831,79.965 532.853,80.001 541,80.001 C549.148,80.001 550.169,79.965 553.369,79.82 C556.562,79.673 558.743,79.167 560.652,78.425 C562.623,77.658 564.297,76.634 565.965,74.965 C567.633,73.296 568.659,71.625 569.425,69.651 C570.167,67.743 570.674,65.562 570.82,62.369 C570.966,59.17 571,58.147 571,50 C571,41.851 570.966,40.831 570.82,37.631\"><\/path><\/g><\/g><\/g><\/svg><\/div><div style=\"padding-top: 8px;\"> <div style=\" color:#3897f0; font-family:Arial,sans-serif; font-size:14px; font-style:normal; font-weight:550; line-height:18px;\">View this post on Instagram<\/div><\/div><div style=\"padding: 12.5% 0;\"><\/div> <div style=\"display: flex; flex-direction: row; margin-bottom: 14px; align-items: center;\"><div> <div style=\"background-color: #F4F4F4; border-radius: 50%; height: 12.5px; width: 12.5px; transform: translateX(0px) translateY(7px);\"><\/div> <div style=\"background-color: #F4F4F4; height: 12.5px; transform: rotate(-45deg) translateX(3px) translateY(1px); width: 12.5px; flex-grow: 0; margin-right: 14px; margin-left: 2px;\"><\/div> <div style=\"background-color: #F4F4F4; border-radius: 50%; height: 12.5px; width: 12.5px; transform: translateX(9px) translateY(-18px);\"><\/div><\/div><div style=\"margin-left: 8px;\"> <div style=\" background-color: #F4F4F4; border-radius: 50%; flex-grow: 0; height: 20px; width: 20px;\"><\/div> <div style=\" width: 0; height: 0; border-top: 2px solid transparent; border-left: 6px solid #f4f4f4; border-bottom: 2px solid transparent; transform: translateX(16px) translateY(-4px) rotate(30deg)\"><\/div><\/div><div style=\"margin-left: auto;\"> <div style=\" width: 0px; border-top: 8px solid #F4F4F4; border-right: 8px solid transparent; transform: translateY(16px);\"><\/div> <div style=\" background-color: #F4F4F4; flex-grow: 0; height: 12px; width: 16px; transform: translateY(-4px);\"><\/div> <div style=\" width: 0; height: 0; border-top: 8px solid #F4F4F4; border-left: 8px solid transparent; transform: translateY(-4px) translateX(8px);\"><\/div><\/div><\/div> <div style=\"display: flex; flex-direction: column; flex-grow: 1; justify-content: center; margin-bottom: 24px;\"> <div style=\" background-color: #F4F4F4; border-radius: 4px; flex-grow: 0; height: 14px; margin-bottom: 6px; width: 224px;\"><\/div> <div style=\" background-color: #F4F4F4; border-radius: 4px; flex-grow: 0; height: 14px; width: 144px;\"><\/div><\/div><\/a><p style=\" color:#c9c8cd; font-family:Arial,sans-serif; font-size:14px; line-height:17px; margin-bottom:0; margin-top:8px; overflow:hidden; padding:8px 0 7px; text-align:center; text-overflow:ellipsis; white-space:nowrap;\"><a href=\"https:\/\/www.instagram.com\/reel\/DOZ7idTD_3Z\/?utm_source=ig_embed&amp;utm_campaign=loading\" style=\" color:#c9c8cd; font-family:Arial,sans-serif; font-size:14px; font-style:normal; font-weight:normal; line-height:17px; text-decoration:none;\" target=\"_blank\">A post shared by The Metabolic Clinic (@the.metabolic.clinic)<\/a><\/p><\/div><\/blockquote>\r\n<script async src=\"\/\/www.instagram.com\/embed.js\"><\/script>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Hyperthyroidism is a condition in which the thyroid gland produces excessive amounts of thyroid hormones, specifically thyroxine (T4), and triiodothyronine (T3). These hormones play a vital role in regulating your body\u2019s metabolism, which includes how your body uses energy, body temperature, heart rate, mood and digestion.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">When thyroid hormone levels are abnormally high, metabolic processes and the use of energy speeds-up, resulting in a range of symptoms such as weight loss, increased heart rate, insomnia, feeling excessively hot, and anxiety. This excessive activity of the thyroid gland is termed Hyperthyroidism. It can develop gradually or suddenly, and may vary in severity from person to person.&nbsp;<\/p>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">What causes Hyperthyroidism?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">In Singapore, hyperthyroidism is a relatively common endocrine disorder, with Graves\u2019 disease being the most frequent cause. However, some of the other common causes include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Graves\u2019 disease<\/strong> <strong>\u2013<\/strong> this autoimmune disorder is the most frequent cause of hyperthyroidism. The immune system mistakenly attacks the thyroid gland, stimulating it to produce too much hormone.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Excessive iodine intake \u2013 <\/strong>iodine is essential for thyroid hormone production, but excessive intake through medication such as amiodarone or very rarely diet can trigger hyperthyroidism.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Thyroiditis \u2013 <\/strong>inflammation of the thyroid, often caused after a viral infection and is autoimmune in nature. It results in the excessive release of stored thyroid hormone.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Toxic thyroid nodules<\/strong> <strong>\u2013<\/strong> Benign lumps can be functional and produce excess thyroid hormones. Dr Dinesh commented that most thyroid nodules are non-functional.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Overmedication with thyroid hormones<\/strong> <strong>\u2013<\/strong> taking too much levothyroxine, that is used to treat <a href=\"\/hypothyroidism-underactive-thyroid\/\" data-type=\"page\" data-id=\"36\">hypothyroidism<\/a>, can lead to an overactive thyroid.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">What are the symptoms of Hyperthyroidism?<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/glutenfreepleasure.com\/__proxy_domain\/themetabolicclinic.com.sg\/wp-content\/uploads\/2025\/05\/Picture2-1024x683.jpg\" alt=\"symptoms of hyperthyroidism.\" class=\"wp-image-273\" srcset=\"https:\/\/glutenfreepleasure.com\/__proxy_domain\/themetabolicclinic.com.sg\/wp-content\/uploads\/2025\/05\/Picture2-1024x683.jpg 1024w, https:\/\/glutenfreepleasure.com\/__proxy_domain\/themetabolicclinic.com.sg\/wp-content\/uploads\/2025\/05\/Picture2-300x200.jpg 300w, https:\/\/glutenfreepleasure.com\/__proxy_domain\/themetabolicclinic.com.sg\/wp-content\/uploads\/2025\/05\/Picture2-768x512.jpg 768w, https:\/\/glutenfreepleasure.com\/__proxy_domain\/themetabolicclinic.com.sg\/wp-content\/uploads\/2025\/05\/Picture2.jpg 1430w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">An enlarged thyroid gland (goitre) is one of the common symptoms of hyperthyroidism.<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The symptoms of hyperthyroidism can vary from person to person. Additionally, these symptoms can either develop gradually or suddenly, which can be:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Anxiety, irritability or nervousness.<\/li>\n\n\n\n<li>Difficulty sleeping (insomnia).<\/li>\n\n\n\n<li>Fatigue or muscle weakness.<\/li>\n\n\n\n<li>Goitre (enlarged thyroid gland).<\/li>\n\n\n\n<li>Heat intolerance and excessive sweating.<\/li>\n\n\n\n<li>Increased bowel movements\/ loose bowel action.<\/li>\n\n\n\n<li>Menstrual irregularities and sometimes cessation of periods.<\/li>\n\n\n\n<li>Rapid or irregular heartbeat (palpitations).<\/li>\n\n\n\n<li>Tremors, particularly in the hands.<\/li>\n\n\n\n<li>Thinning hair and brittle nails.<\/li>\n\n\n\n<li>Unexplained weight loss, despite normal or increased appetite.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Endocrinologist, Dr Dinesh Mahendran finds the most common symptoms are a feeling that life is more stressful, loss of weight and increased bowel movements. When it gets more severe, palpitations are the predominant symptom.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Who is at risk of Hyperthyroidism in Singapore?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Although hyperthyroidism can develop in anyone, there are certain individuals who are more predisposed due to genetic, hormonal or environmental factors. As such, recognising these risk groups is key to promoting early detection, and preventing long-term complications, especially in a fast-paced urban setting like Singapore, where symptoms may be mistaken for stress or lifestyle-related issues. Dr Dinesh commented that patients don\u2019t mind the weight loss, and he has to counsel his patients on why it is an unhealthy weight loss and that treatment is crucial to prevent long-term irreversible changes to the body.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Some individuals who are more likely to develop hyperthyroidism include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Gender<\/strong> <strong>\u2013<\/strong> hyperthyroidism is significantly more <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK537053\/#:~:text=The%20Whickham%20Survey%20demonstrated%20a%20prevalence%20of,individuals%20taking%20the%20medication%20from%20iodine%2Ddeficient%20areas.%5B31%5D%5B32%5D\">common in women<\/a>. This is due to hormonal differences, genetic variations and the unique characteristics of the female immune system. Women are therefore more prone to all autoimmune conditions including Graves\u2019 disease, which is the most common cause of hyperthyroidism.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Family history \u2013<\/strong> a <a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC2935336\/\">genetic predisposition<\/a> can increase the risk. If close family members have hyperthyroidism, Graves\u2019 disease or other thyroid disorders, there is a higher likelihood of developing a similar condition due to inherited immune\/ genetic traits. Dr Dinesh mentioned that he often finds his patients\u2019 having an affected auntie or sister and it could even be the opposite condition (an underactive thyroid- hypothyroidism).<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Medications<\/strong> <strong>\u2013<\/strong> drugs such as amiodarone, that is used for heart rhythm problems, may affect thyroid function, and potentially <a href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S0140673616002786#:~:text=Lithium%2C%20interferon%20%CE%B1%2C%20and%20amiodarone%20are%20commonly,is%20associated%20with%20low%20serum%20thyroglobulin%20concentrations.\">lead to overactivity of the gland<\/a>.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Autoimmune diseases<\/strong> <strong>\u2013<\/strong> individuals with autoimmune conditions such as <a href=\"https:\/\/www.e-dmj.org\/journal\/view.php?number=2654\">type 1 diabetes<\/a>, pernicious anaemia, <a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC9608862\/#:~:text=The%20risk%20of%20developing%20hyperthyroidism%20in%20RA,control%20groups%20(OR%201.65%2C%2095%%20CI%201.24%E2%80%932.19).&amp;text=The%20pooled%20OR%20was%202.13%20(95%CI%201.25%E2%80%933.63),as%20non%2DRA%20subjects%2C%20which%20was%20statistically%20significant.\">rheumatoid arthritis<\/a> or <a href=\"https:\/\/www.medicalnewstoday.com\/articles\/vitiligo-and-thyroid\">vitiligo<\/a> are at increased risk of developing Graves\u2019 disease. This is because autoimmune disorders often occur together, as part of a broader immune system imbalance.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Thyroid nodules or multinodular goitre<\/strong> <strong>\u2013<\/strong> <a href=\"https:\/\/bmcendocrdisord.biomedcentral.com\/articles\/10.1186\/s12902-025-01869-5\">nodules or abnormal growths<\/a> in the thyroid can be overactive, producing overproducing thyroid hormones independent of normal regulation. This can lead to solitary toxic nodules (one culprit nodule only) or toxic multinodular goitre (multiple culprits), a non-autoimmune form of hyperthyroidism more commonly seen in older adults.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Postpartum women<\/strong> <strong>\u2013<\/strong> some women experience thyroid dysfunction within the first year after giving birth. This condition, known as <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK557646\/\">postpartum thyroiditis<\/a>, may initially cause a temporary phase of hyperthyroidism before the thyroid normalises or shifts into hypothyroidism. Dr. Dinesh finds that the most common symptom is excessive weight loss after giving birth.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>High iodine intake<\/strong> <strong>\u2013<\/strong> although iodine is essential for thyroid hormone production, rarely <a href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S1530891X24008103\">excessive amounts<\/a>, often from supplements or contrast dyes used in imaging, can trigger hyperthyroidism in susceptible individuals, often in those with pre-existing predisposition to hyperthyroidism (for example functional nodules).<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">What are the complications associated with Hyperthyroidism?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Delaying treatment for hyperthyroidism can lead to a range of serious health complications. These complications arise because excess thyroid hormones overstimulate various body systems, especially the heart, bones, muscles and nervous system.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Some of the potential complications include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Eye problems (in Graves\u2019 disease)<\/strong> <strong>\u2013<\/strong> Graves\u2019 orbitopathy can cause irreversible bulging eyes, dryness, redness, double vision, and in severe cases, vision loss. These symptoms occur due to inflammation, and swelling in the eye muscles, and surrounding tissues.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Emotional and cognitive disturbances<\/strong> <strong>\u2013<\/strong> hyperthyroidism can affect brain function, and mental wellbeing. Many patients experience mood swings, anxiety, restlessness, irritability, and difficulty concentrating. For some individuals, symptoms may mimic or worsen existing mental health conditions.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Heart issues<\/strong> <strong>\u2013<\/strong> one of the most significant risks. High levels of thyroid hormones increase heart rate, and the force of heart contractions. Over time, this can lead to persistent tachycardia, atrial fibrillation (an abnormal rhythm that is one of the most common causes of stroke), and eventually heart failure, particularly in older adults or those with underlying cardiac conditions. This can be lethal. Even mild hyperthyroidism (subclinical hyperthyroidism) can cause atrial fibrillation and subsequent stroke.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Menstrual and fertility issues \u2013 <\/strong>excess thyroid hormones can disrupt reproductive hormones, leading to irregular or absent periods, reduced ovulation, and fertility challenges in both women and men.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Muscle weakness and fatigue<\/strong> <strong>\u2013<\/strong> ongoing hormonal excess may cause progressive muscle breakdown, particularly in the upper arms, and thighs. This can result in weakness, difficulty climbing stairs, and reduced mobility.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Osteoporosis<\/strong> <strong>\u2013<\/strong> thyroid hormones accelerate bone loss, exceeding the body\u2019s mechanisms of repair and bone growth. This increases the risk of low bone density, and fractures, especially in postmenopausal women, and the elderly.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Pregnancy complications<\/strong> <strong>\u2013<\/strong> poorly controlled hyperthyroidism increases the risk of miscarriage, premature labour, pre-eclampsia, low birth weight, and abnormal foetal thyroid development.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Thyroid storm<\/strong> <strong>\u2013<\/strong> a rare but life-threatening medical emergency. Thyroid storm is an extreme form of hyperthyroidism, marked by dangerously high levels of thyroid hormones. It can cause fever, agitation, confusion, rapid heart rate, and even organ failure, prompting immediate hospital treatment in intensive care.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">How is Hyperthyroidism diagnosed?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Hyperthyroidism is diagnosed through a combination of clinical assessment, blood tests, and imaging tests. Since many of its symptoms overlap with other medical conditions, a thorough evaluation is essential to confirm the diagnosis, and identify the underlying causes.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>TEST<\/strong><\/td><td><strong>PURPOSE<\/strong><\/td><td><strong>HOW IT HELPS<\/strong><\/td><\/tr><tr><td><strong>Thyroid Function Test (TFT)<\/strong><\/td><td>To assess thyroid hormone levels.<\/td><td>This blood test measures levels of thyroid hormones (free T3, and free T4), along with thyroid-stimulating hormone (TSH). In hyperthyroidism, TSH is typically suppressed, while T3 and\/or T4 are elevated.&nbsp;<\/td><\/tr><tr><td><strong>Thyroid Antibody Test<\/strong><\/td><td>To detect autoimmune causes.<\/td><td>If Graves\u2019 disease is suspected, blood tests may be used to detect thyroid receptor antibodies (TRAB) which is diagnostic.<\/td><\/tr><tr><td><strong>Radioactive Iodine Uptake (RAIU) Scan<\/strong><\/td><td>To identify the cause of hyperthyroidism.<\/td><td>This scan evaluates how much iodine the thyroid absorbs. High uptake may indicate Graves\u2019 disease, while low uptake suggests thyroiditis or excess hormone intake. This is the first-line test in hyperthyroidism diagnosis.<\/td><\/tr><tr><td><strong>Electrocardiogram (ECG)<\/strong><\/td><td>To monitor heart rhythm.<\/td><td>Hyperthyroidism can affect the heart. An ECG may be performed to detect arrhythmias such as atrial fibrillation.<\/td><\/tr><tr><td><strong>Thyroid Ultrasound<\/strong><\/td><td>To examine the thyroid gland\u2019s structure.<\/td><td>An ultrasound helps visualise the thyroid, and can detect nodules, enlargement or inflammation. It is useful prior to surgery or radioactive iodine if required to ensure no other thyroid issue co-exists.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">How is Hyperthyroidism treated?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Treatment for hyperthyroidism focuses on restoring normal thyroid hormone levels, managing symptoms, and addressing the root cause of the condition. Treatment approaches may include one of a combination of the following options:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Medication<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Anti-thyroid drugs \u2013 <\/strong>medications such as carbimazole reduce the production of thyroid hormones. These are often the first line of treatment, and may be continued for 12 to 18 months. If our doctors proceed with prescribing anti-thyroid drugs, regular monitoring is required to adjust the dose as every patient requires a different dose and doses are reduced as the condition gets better aiming for eventual cessation where possible.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Beta-blockers \u2013 <\/strong>these do not reduce thyroid hormone levels but help relieve symptoms such as rapid heartbeat, anxiety, and tremors. They are often used short-term while waiting for anti-thyroid medications to take effect and cause the greatest improvement to symptoms initially&nbsp;<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Radioactive Iodine Therapy \u2013 <\/strong>radioiodine is taken orally, and destroys overactive thyroid cells. It is a highly effective, and commonly used treatment in adults with Graves\u2019 disease or toxic nodules. Most patients respond well within 6 to 12 weeks. The aim is to achieve hypothyroidism and the patient will require life-long thyroxine hormone replacement. Dr. Dinesh commented that although one medication (carbimazole) is swapped for another, thyroid levels then become indefinitely normal and the long-term side effects of hyperthyroidism are mitigated.&nbsp;<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Surgery (Thyroidectomy)<\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/glutenfreepleasure.com\/__proxy_domain\/themetabolicclinic.com.sg\/wp-content\/uploads\/2025\/05\/Picture3-1024x682.jpg\" alt=\"thyroidectomy procedures.\" class=\"wp-image-272\" srcset=\"https:\/\/glutenfreepleasure.com\/__proxy_domain\/themetabolicclinic.com.sg\/wp-content\/uploads\/2025\/05\/Picture3-1024x682.jpg 1024w, https:\/\/glutenfreepleasure.com\/__proxy_domain\/themetabolicclinic.com.sg\/wp-content\/uploads\/2025\/05\/Picture3-300x200.jpg 300w, https:\/\/glutenfreepleasure.com\/__proxy_domain\/themetabolicclinic.com.sg\/wp-content\/uploads\/2025\/05\/Picture3-768x512.jpg 768w, https:\/\/glutenfreepleasure.com\/__proxy_domain\/themetabolicclinic.com.sg\/wp-content\/uploads\/2025\/05\/Picture3.jpg 1430w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">In the event a patient does not respond to medications of radioactive iodine therapy, an endocrinologist may recommend a thyroidectomy.<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Surgical removal of part or all the thyroid gland is considered in certain cases of hyperthyroidism. This treatment option is typically recommended when other approaches, such as medications or radioactive iodine therapy, are unsuitable or ineffective. Surgery may also be necessary in specific situations, such as:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Failed Response to Other Treatments<\/strong> <strong>\u2013<\/strong> for patients who do not respond to or cannot tolerate anti-thyroid medications or radioactive iodine therapy, surgery offers a definitive solution.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Large Goitre<\/strong> <strong>\u2013<\/strong> if the thyroid gland has become enlarged, and is causing compression on surrounding structures such as the trachea (windpipe) or oesophagus (food pipe), surgery may be required to relieve symptoms like difficulty swallowing or breathing.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Pregnancy<\/strong> <strong>\u2013<\/strong> if a pregnant woman has severe hyperthyroidism that cannot be controlled with medication, surgery may be recommended as the safest treatment option for both the mother, and baby.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Suspicion of Thyroid Cancer \u2013 <\/strong>if there is concern that a thyroid nodule may be cancerous, surgical removal of the affected part or the entire thyroid gland is often performed to remove the tumour, and prevent the spread of cancer.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">How is thyroidectomy performed?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Thyroidectomy is typically performed under general anaesthesia by a specialised thyroid surgeon. There are two main types of thyroid surgery:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Partial Thyroidectomy<\/strong> <strong>\u2013<\/strong> removal of a portion of the thyroid gland, usually in cases of benign conditions or when only one lobe is affected. This is done in patients with solitary toxic adenoma (one functional nodule on one lobe) and not done for autoimmune hyperthyroidism as the hyperthyroidism often recurs.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Total Thyroidectomy<\/strong> <strong>\u2013<\/strong> removal of the entire thyroid gland, often indicated when the condition is more severe, such as in cases of thyroid cancer or diffuse, unmanageable hyperthyroidism.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The procedure is usually done through a small incision made across the front of the neck. In less severe or complex cases, minimally invasive techniques, such as robotic or laparoscopic surgery, may be used, which require smaller incisions, and generally result in quicker recovery times. After surgery, patients are monitored in the hospital for a short period, and follow-up care includes checking thyroid hormone levels to adjust medication as necessary. If this is required, Dr Dinesh will refer you to a sub-specialised surgeon.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Lifestyle and Nutritional Support<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Avoid excessive iodine intake<\/strong> <strong>\u2013<\/strong> certain supplements or diets high in iodine can worsen hyperthyroidism.<\/li>\n\n\n\n<li><strong>Maintain balanced nutrition<\/strong> <strong>\u2013<\/strong> to support general wellbeing, and manage symptoms like weight loss or muscle weakness.<\/li>\n\n\n\n<li><strong>Stress management<\/strong> <strong>\u2013<\/strong> chronic stress can aggravate symptoms or make hyperthyroidism harder to deal with. To help control your stress levels, do practice mindfulness, exercise regularly, and ensure you get adequate sleep.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Monitoring and Follow-up<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Regular thyroid function tests<\/strong> <strong>\u2013<\/strong> to monitor hormone levels, and ensure that treatment remains effective and well-tolerated.<\/li>\n\n\n\n<li><strong>Heart health monitoring<\/strong> <strong>\u2013<\/strong> especially in older adults or those with arrhythmias.<\/li>\n\n\n\n<li><strong>Bone health assessment<\/strong> <strong>\u2013<\/strong> in long-standing hyperthyroidism or in older individuals, bone density may be monitored to detect early signs of <a href=\"https:\/\/glutenfreepleasure.com\/__proxy_domain\/themetabolicclinic.com.sg\/osteoporosis\/\" data-type=\"page\" data-id=\"61\">osteoporosis<\/a>.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Summary<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"680\" src=\"https:\/\/glutenfreepleasure.com\/__proxy_domain\/themetabolicclinic.com.sg\/wp-content\/uploads\/2025\/05\/Picture4-1024x680.jpg\" alt=\"treating hyperthyroidism.\" class=\"wp-image-271\" srcset=\"https:\/\/glutenfreepleasure.com\/__proxy_domain\/themetabolicclinic.com.sg\/wp-content\/uploads\/2025\/05\/Picture4-1024x680.jpg 1024w, https:\/\/glutenfreepleasure.com\/__proxy_domain\/themetabolicclinic.com.sg\/wp-content\/uploads\/2025\/05\/Picture4-300x199.jpg 300w, https:\/\/glutenfreepleasure.com\/__proxy_domain\/themetabolicclinic.com.sg\/wp-content\/uploads\/2025\/05\/Picture4-768x510.jpg 768w, https:\/\/glutenfreepleasure.com\/__proxy_domain\/themetabolicclinic.com.sg\/wp-content\/uploads\/2025\/05\/Picture4-1536x1020.jpg 1536w, https:\/\/glutenfreepleasure.com\/__proxy_domain\/themetabolicclinic.com.sg\/wp-content\/uploads\/2025\/05\/Picture4.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">One of the key steps to treating, and managing hyperthyroidism effectively is early detection.<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Hyperthyroidism is treatable, but the key to effective management is early detection. If you are experiencing symptoms like unexplained weight loss, rapid heartbeat, heat intolerance or irritability, do not wait for them to worsen. These could be signs of overactive thyroid, and acting now can prevent more serious health issues down the road.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">At The Metabolic Clinic, our clinical team is dedicated to providing personalised treatment plans, and ongoing support to help you regain control of your thyroid health. <a href=\"https:\/\/glutenfreepleasure.com\/__proxy_domain\/themetabolicclinic.com.sg\/contact\/\" data-type=\"page\" data-id=\"194\">Schedule an appointment with us<\/a> today to start your journey toward a healthier, more balanced you.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Frequently Asked Questions<\/h2>\n\n\n<div class=\"alignnone\"><style>#sp-ea-462 .spcollapsing { height: 0; overflow: hidden; transition-property: height;transition-duration: 300ms;}#sp-ea-462.sp-easy-accordion>.sp-ea-single {margin-bottom: 10px; border: 1px solid #e2e2e2; }#sp-ea-462.sp-easy-accordion>.sp-ea-single>.ea-header a {color: #feffed;}#sp-ea-462.sp-easy-accordion>.sp-ea-single>.sp-collapse>.ea-body {background: #fff; color: #183122;}#sp-ea-462.sp-easy-accordion>.sp-ea-single {background: #667861;}#sp-ea-462.sp-easy-accordion>.sp-ea-single>.ea-header a .ea-expand-icon { float: left; color: #444;font-size: 16px;}<\/style><div id=\"sp_easy_accordion-1750231270\"><div id=\"sp-ea-462\" class=\"sp-ea-one sp-easy-accordion\" data-ea-active=\"ea-click\" data-ea-mode=\"vertical\" data-preloader=\"\" data-scroll-active-item=\"\" data-offset-to-scroll=\"0\"><div class=\"ea-card ea-expand sp-ea-single\"><h3 class=\"ea-header\"><a class=\"collapsed\" id=\"ea-header-4620\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse4620\" aria-controls=\"collapse4620\" href=\"#\" aria-expanded=\"true\" tabindex=\"0\"><i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-minus\"><\/i> Is hyperthyroidism reversible?<\/a><\/h3><div class=\"sp-collapse spcollapse collapsed show\" id=\"collapse4620\" data-parent=\"#sp-ea-462\" role=\"region\" aria-labelledby=\"ea-header-4620\"> <div class=\"ea-body\"><p>Yes, in many cases. Depending on the cause, hyperthyroidism can be effectively treated with medication, radioactive iodine or surgery. Some patients achieve long-term remission, especially after completing a full course of anti-thyroid medication.<\/p><\/div><\/div><\/div><div class=\"ea-card sp-ea-single\"><h3 class=\"ea-header\"><a class=\"collapsed\" id=\"ea-header-4621\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse4621\" aria-controls=\"collapse4621\" href=\"#\" aria-expanded=\"false\" tabindex=\"0\"><i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-plus\"><\/i> What foods should I avoid with hyperthyroidism?<\/a><\/h3><div class=\"sp-collapse spcollapse \" id=\"collapse4621\" data-parent=\"#sp-ea-462\" role=\"region\" aria-labelledby=\"ea-header-4621\"> <div class=\"ea-body\"><p>It is advisable to limit excessive intake of foods high in iodine such as seaweed, kelp, and iodised salt, especially if you are on anti-thyroid medication. Caffeine, and heavily processed foods may also worsen symptoms like palpitations or anxiety prior to treatment.<\/p><\/div><\/div><\/div><div class=\"ea-card sp-ea-single\"><h3 class=\"ea-header\"><a class=\"collapsed\" id=\"ea-header-4622\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse4622\" aria-controls=\"collapse4622\" href=\"#\" aria-expanded=\"false\" tabindex=\"0\"><i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-plus\"><\/i> Can I develop hyperthyroidism during pregnancy?<\/a><\/h3><div class=\"sp-collapse spcollapse \" id=\"collapse4622\" data-parent=\"#sp-ea-462\" role=\"region\" aria-labelledby=\"ea-header-4622\"> <div class=\"ea-body\"><p>Yes, some women may experience gestational thyrotoxicosis or postpartum thyroiditis. It is important to manage thyroid hormone levels carefully during pregnancy, as uncontrolled hyperthyroidism can affect both mother, and baby.<\/p><\/div><\/div><\/div><div class=\"ea-card sp-ea-single\"><h3 class=\"ea-header\"><a class=\"collapsed\" id=\"ea-header-4623\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse4623\" aria-controls=\"collapse4623\" href=\"#\" aria-expanded=\"false\" tabindex=\"0\"><i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-plus\"><\/i> What is the difference between hyperthyroidism and hypothyroidism?<\/a><\/h3><div class=\"sp-collapse spcollapse \" id=\"collapse4623\" data-parent=\"#sp-ea-462\" role=\"region\" aria-labelledby=\"ea-header-4623\"> <div class=\"ea-body\"><p>Hyperthyroidism refers to an overactive thyroid that produces too much hormone, while hypothyroidism is an underactive thyroid with insufficient hormone production. They have different causes, symptoms, and treatments.<\/p><\/div><\/div><\/div><div class=\"ea-card sp-ea-single\"><h3 class=\"ea-header\"><a class=\"collapsed\" id=\"ea-header-4624\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse4624\" aria-controls=\"collapse4624\" href=\"#\" aria-expanded=\"false\" tabindex=\"0\"><i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-plus\"><\/i> Can stress trigger hyperthyroidism?<\/a><\/h3><div class=\"sp-collapse spcollapse \" id=\"collapse4624\" data-parent=\"#sp-ea-462\" role=\"region\" aria-labelledby=\"ea-header-4624\"> <div class=\"ea-body\"><p>Stress does not directly cause hyperthyroidism but can worsen symptoms. Autoimmune conditions like Graves\u2019 disease may flare up under physical or emotional stress.<\/p><\/div><\/div><\/div><div class=\"ea-card sp-ea-single\"><h3 class=\"ea-header\"><a class=\"collapsed\" id=\"ea-header-4625\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse4625\" aria-controls=\"collapse4625\" href=\"#\" aria-expanded=\"false\" tabindex=\"0\"><i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-plus\"><\/i> Can lifestyle choices lead to hyperthyroidism?<\/a><\/h3><div class=\"sp-collapse spcollapse \" id=\"collapse4625\" data-parent=\"#sp-ea-462\" role=\"region\" aria-labelledby=\"ea-header-4625\"> <div class=\"ea-body\"><p>While lifestyle factors do not directly cause hyperthyroidism, they can play a role in influencing thyroid health, and potentially trigger symptoms in those who are genetically predisposed. Certain behaviours or conditions may exacerbate an existing thyroid condition or contribute to its development or worsening, such as:<\/p><p><\/p><ul class=\"wp-block-list\"><\/p><li>Excessive iodine intake.<\/li><p> <\/p><li>Prolonged stress.<\/li><p> <\/p><li>Smoking (for Graves\u2019 eye disease)<\/li><p> <\/p><li>Certain medications, like amiodarone.<\/li><p><\/ul><p><\/p><\/div><\/div><\/div><div class=\"ea-card sp-ea-single\"><h3 class=\"ea-header\"><a class=\"collapsed\" id=\"ea-header-4626\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse4626\" aria-controls=\"collapse4626\" href=\"#\" aria-expanded=\"false\" tabindex=\"0\"><i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-plus\"><\/i> How does hyperthyroidism impact quality of life?<\/a><\/h3><div class=\"sp-collapse spcollapse \" id=\"collapse4626\" data-parent=\"#sp-ea-462\" role=\"region\" aria-labelledby=\"ea-header-4626\"> <div class=\"ea-body\"><p>Hyperthyroidism can significantly affect your quality of life if left unmanaged. Common symptoms like fatigue, anxiety, insomnia, and rapid heart rate can interfere with daily activities, work performance, and relationships. Some people may also experience emotional changes, such as mood swings or irritability, while physical symptoms like weight loss or tremors can be distressing. With proper treatment, all individuals can regain control of their health, and return to normal routines.<\/p><\/div><\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Hyperthyroidism is an endocrinology condition where the thyroid gland produces high amounts of thyroid hormones, impacting the body\u2019s metabolism.<\/p>\n","protected":false},"author":1,"featured_media":270,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"inline_featured_image":false,"footnotes":""},"page_category":[5],"class_list":["post-50","page","type-page","status-publish","has-post-thumbnail","hentry","page_category-thyroid-disorders"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Hyperthyroidism Singapore | Overactive Thyroid Treatment<\/title>\n<meta name=\"description\" content=\"Learn about hyperthyroidism and overactive thyroid in 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