All you need to know abot THROIDISM mainly in women
All you need to know on Hyperthyroidism.
Hyperthyroidism is an overactive thyroid gland. Read on to know the causes and treatment
By Dr Parul R Sheth
Hyperthyroidism occurs when your thyroid gland makes too much of thyroid harmons. Most cases of hyperthyroidism are due to Grave’s disease, an autoimmune disease in which the body produces antibodies that bring about overstimulation of the thyroid.
Hyperactive thyroid nodules or benign lumps may result in an over production of triiodothyronine (T3) and thyroxine (T4) hormones, which can cause hyperthyroidism. Non-cancerous growths of the pituitary gland and testicular and ovarian cancer may also be the cause. A temporary condition known as thyroiditis or inflammation of the thyroid may cause hyperthyroidism. Postpartum thyroiditis may occur in women post delivery.
You may have no symptom if you have a moderate disease. Only when the disease is in full form, you experience symptoms associated with a rise in the rate of metabolism of the body. There can be thyroid enlargement, tremors, increased heart rate and hyperactive reflexes. Your systolic (the first number in the blood pressure reading) may be high.
Common symptoms include palpitations, hair loss, rapid or irregular heartbeat, breathlessness, increased heat sensitivity, insomnia, excessive sweating, light or no menstrual period, increased bowel movements, hand tremors, increased appetite, clammy skin, weight loss and fatigue. Symptoms of Grave’s disease include dry, protruding eyes with vision problems.
T3, T4 and thyroid stimulating hormone (TSH) levels are measured in the blood. Usually high levels of T3 and T4 with low levels of TSH in the blood confirm hyperthyroidism. A radioactive iodine uptake test in which a small dose of radioactive iodine is ingested and the iodine levels in the thyroid are then checked at intervals, helps know the cause of hyperthyroidism. A high level of iodine uptake in the thyroid suggests Grave’s disease or hyperactive thyroid nodule. Low iodine uptake indicates thyroiditis.
Anti-thyroid medication such as methimazole and propylthiouracil help ease the symptoms. Beta-blockers such as propranolol may be given to treat symptoms such as rapid heart rate, sweating, and anxiety.
A small dose of radioactive iodine orally can decrease the thyroid function and reduce the production of thyroid hormones. Surgical removal of the thyroid gland is another option. In case your thyroid gland is removed surgically or destroyed with radiation, you require thyroid hormone supplements life-long.
Untreated hyperthyroidism may lead to complications such as heart-related problems such as rapid heart rate, congestive heart failure and atrial fibrillation, weak and brittle bones, osteoporosis etc. Thyroid surgery can cause low calcium level and hoarseness of voice. People with Grave’s disease may develop eye problems and swollen red skin. Most importantly, hyperthyroidism can cause thyrotoxic crisis, in which the symptoms get intensified leading to fever, rapid pulse and delirium all of which require immediate medical help.
Last edited by ~Maliha~; 02-05-2012 at 09:32 AM.
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