Hypothyroidism

Endocrine Clinical reference

Hypothyroidism

Hypothyroidism is thyroid hormone deficiency. Most common cause: Hashimoto thyroiditis (autoimmune). Symptoms: fatigue, cold intolerance, weight gain, constipation, bradycardia. Myxedema coma is rare but life-threatening.

hypothyroidism underactive thyroid Hashimoto thyroiditis myxedema
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What is hypothyroidism?Hypothyroidism, or underactive thyroid, happens when your thyroid gland doesn't make enough thyroid hormones to meet your body's needs.Your thyroid is a small, butterfly-shaped gland in the front of your neck. It makes hormones that control the way the body uses energy. These hormones affect nearly every organ in your body and control many of your body's most important functions. For example,…

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Hypothyroidism What is hypothyroidism?Hypothyroidism, or underactive thyroid, happens when your thyroid gland doesn't make enough thyroid hormones to meet your body's needs.Your thyroid is a small, butterfly-shaped gland in the front of your neck. It makes hormones that control the way the body uses energy. These hormones affect nearly every organ in your body and control many of your body's most important functions. For example,… Thyroid Tests Your thyroid is a small, butterfly-shaped gland in the front of your neck. It makes hormones that control the way the body uses energy. These hormones affect nearly every organ in your body and control many of your body's most important functions. For example, they affect your breathing, heart rate, weight, digestion, and moods.Thyroid tests check how well your thyroid is working. They are also used to diagnose and… Hyperthyroidism What is hyperthyroidism?Hyperthyroidism, or overactive thyroid, happens when your thyroid gland makes more thyroid hormones than your body needs.Your thyroid is a small, butterfly-shaped gland in the front of your neck. It makes hormones that control the way the body uses energy. These hormones affect nearly every organ in your body and control many of your body's most important functions. For example, they affect y… Primary Ovarian Insufficiency What is primary ovarian insufficiency (POI)?Primary ovarian insufficiency (POI), also known as premature ovarian failure, happens when a woman's ovaries stop working normally before she is 40.Many women naturally experience reduced fertility when they are about 40 years old. They may start getting irregular menstrual periods as they transition to menopause. For women with POI, irregular periods and reduced fertility…