Hypothyroidism, or an underactive thyroid gland, is increasingly common as people get older, but it may often be undiagnosed or diagnosed late due to the insidious nature of some of its symptoms. These include fatigue, weight gain, sensitivity to cold, constipation, dry skin, hair loss and depression. Common causes of hypothyroidism include autoimmune diseases, thyroid surgery, radiation therapy, certain medications and iodine deficiency, which is the leading cause globally. Treatment typically involves hormone replacement therapy, and with proper treatment and monitoring most people with hypothyroidism can lead normal, healthy lives. In this episode, Dr Roger Henderson provides an overview of hypothyroidism and considers differential diagnoses, testing, referral criteria, thyroxine replacement principles and prognosis.

Access episode show notes containing key references and take-home points at: https://gpnotebook.com/en-GB/podcasts/diabetes-and-endocrinology/ep-109-hypothyroidism.

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