Thyroid problems
If your thyroid gland becomes overactive (hyperthyroidism) or underactive (hypothyroidism), you may experience a range of health problems.
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Iodine deficiency
Iodine deficiency is the most common cause of thyroid disease. Learn about the causes and how to ensure you are getting enough iodine.
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Hashimoto's disease
Hashimoto's disease causes your body to produce too little thyroid hormone. Learn about the causes, symptoms and treatment of Hashimoto's thyroiditis.
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Thyroid medicines
Thyroid medicines treat thyroid disorders, including hypothyroidism and hyperthyroidism. Read about how they work and their potential side effects.
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Autoimmune diseases — an overview
Autoimmune diseases occur when your immune system attacks your own body. Learn more about the diagnosis and treatment of these diseases.
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Dermatitis herpetiformis
Dermatitis herpetiformis (Duhring's disease) is a skin rash that's associated with coeliac disease. Find out more about dermatitis herpetiformis.
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Night sweats
Night sweats may be a sign of a medical condition or may be caused by a medicine. Find out more about night sweats, common causes and treatments.
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Hypothyroidism
Hypothyroidism (underactive thyroid) is when the thyroid gland doesn't make enough thyroid hormone. Read about symptoms, diagnosis and treatment.
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Graves' disease
Graves' disease is an autoimmune disease causing hyperthyroidism, with symptoms like anxiety, tremors, a racing heart, goitre and bulging eyes.
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Goitre
Goitre is a swelling of your thyroid gland at the base of your neck. Find out more about the causes, symptoms and treatments for goitre.
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