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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

In Addison's disease the adrenal glands don't make enough cortisol and aldosterone. Read about symptoms, causes, diagnosis and treatment.

Adrenal fatigue

Adrenal fatigue is a term used to explain tiredness and sleep problems. Find out about the symptoms of adrenal fatigue and how to treat it.

Congenital adrenal hyperplasia

Congenital adrenal hyperplasia affects your adrenal glands and causes imbalances in the levels of certain hormones. It can be mild or severe.

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

Learn about the causes, risk factors and potential complications of gestational diabetes, when during pregnancy it occurs, and how it can be managed.


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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