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Certain medications can have the unintended side effect of affecting thyroid function. While some medications can lead to significant hypothyroidism or hyperthyroidism and those at risk will need to be carefully monitored, some medications may affect thyroid hormone lab tests without causing any symptoms or clinical changes, and may not require treatment.
Propylthiouracil (PTU) is a medication used to treat hyperthyroidism. [3] This includes hyperthyroidism due to Graves' disease and toxic multinodular goiter. [3] In a thyrotoxic crisis it is generally more effective than methimazole. [3] Otherwise it is typically only used when methimazole, surgery, and radioactive iodine is not possible. [3]
Hyperthyroidism may be asymptomatic or present with significant symptoms. [2] Some of the symptoms of hyperthyroidism include nervousness, irritability, increased perspiration, heart racing, hand tremors, anxiety, trouble sleeping, thinning of the skin, fine brittle hair, and muscular weakness—especially in the upper arms and thighs. More ...
Hyperthyroidism has also been linked to an enlarged thyroid gland (goiter), irregular menstrual cycles, high blood pressure, brittle hair, and more prominent eyes, per Johns Hopkins Medicine.
Thiamazole is commonly used in cats to treat hyperthyroidism. [ 25 ] Despite 20% of cats treated with thiamazole testing positive for antinuclear antibody lupus erythematosus and immune-mediated haemolytic anemia , neither condition is associated with thiamazole in cats.
This is a form of targeted therapy for hyperthyroidism. Since even low levels of ionizing radiation are highly mutagenic and can cause cancer, [ 16 ] less toxic iodine isotopes such as iodine-123 [ 17 ] are more commonly used in nuclear imaging , while iodine-131 is used for its cytolytic (cell-destroying) effects in hyperthyroidism and thyroid ...
Hyperthyroidism often causes a variety of non-specific symptoms including weight loss, increased appetite, insomnia, decreased tolerance of heat, tremor, palpitations, anxiety and nervousness. In some cases it can cause chest pain, diarrhoea, hair loss and muscle weakness. [48] Such symptoms may be managed temporarily with drugs such as beta ...
Thyroid function tests (TFTs) is a collective term for blood tests used to check the function of the thyroid. [1] TFTs may be requested if a patient is thought to suffer from hyperthyroidism (overactive thyroid) or hypothyroidism (underactive thyroid), or to monitor the effectiveness of either thyroid-suppression or hormone replacement therapy.