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Endocrine disorders and diseases

The hormonal system, also called the endocrine system, is a network of glands and organs that make hormones. Sometimes, the body may make too many or too few hormones, or it might stop responding properly to them. This can result in endocrine disorders and diseases. Explore the topics below to learn more.


Acromegaly causes parts of the body to grow larger and mostly affects middle-aged people. Find out about symptoms, causes, diagnosis and treatment.

Addison's disease

Addison's disease is a condition that can make people feel very weak and tired. Learn more about its symptoms, causes, diagnosis and treatment.

Adrenal fatigue is a name given to a variety of symptoms.

Adrenal fatigue

Adrenal fatigue is a term that refers to a variety of symptoms. Find out about the symptoms and treatment of adrenal fatigue.

Congenital adrenal hyperplasia

Congenital adrenal hyperplasia is an inherited group of conditions that affect the adrenal gland.

Cushing's syndrome

Cushing's syndrome is a hormonal disorder with a wide range of symptoms. Learn what causes Cushing’s disease and why it is difficult to diagnose.


Diabetes is a condition where your blood sugar levels become too high. Find out about the types of diabetes and the treatment options.

Gestational diabetes

Find out about the causes, risk factors and potential complications of gestational diabetes, when during pregnancy it occurs, and how to manage it.


Gigantism is a rare condition that causes children to grow abnormally fast and tall. It can be treated, but there may still be symptoms.

Graves' disease

In this autoimmune disease, the thyroid gland produces too much thyroid hormone. Learn more about the symptoms, diagnosis and treatments.

Woman examining her throat

Hashimoto's disease

Hashimoto's disease can cause your body to produce too little thyroid hormone. Find out more about its causes, symptoms and treatment.


Hyperthyroidism (or thyrotoxicosis) occurs when the thyroid gland is overactive and produces too much thyroid hormone.


Hypothyroidism (underactive thyroid) is when the thyroid gland doesn't make enough thyroid hormone. See symptoms and treatment options here.

Polycystic ovarian syndrome (PCOS)

Polycystic ovary syndrome (PCOS) is a hormonal condition that affects many females in their reproductive years. Read about PCOS and your health.

Turner syndrome

Turner syndrome is a genetic disorder that affects some females due to a missing or partially missing X chromosome.

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