- Diagnose-Me: Condition: Hyperthyroidism - Describes risk factors, and diet suggestions, and also includes a glossary.
- DrKoop.com: Hyperthyroidism - Definition, causes, incidence, and risk factors, with illustrations.
- eHealthMD: What Is Hyperthyroidism? - Explains thyroid hormone and how it affects the metabolism, and also includes an overview of Graves' Disease, diagnostics, and a glossary of terms.
- eMedicine Health: Thyroid Storm - Provides an overview, the symptoms, and treatment for this medical condition which is associated with very high levels of thyroid hormones.
- Endocrine Web: Hyperthyroidism - This introduction features common symptoms, signs, causes, diagnosis, and treatment.
- Factitious Hyperthyroidism - Henry Ford Health System presents the risks, signs and prognosis of this disorder, which results from taking large amounts of thyroid hormone.
- Health World: Hyperthyroidism - Brief article by David L. Hoffmann B.Sc. which includes natural remedies which may help to reduce symptoms.
- HealthSquare: Hyperthyroidism - Find out about tests and treatment, including tips on self-care and diet.
- InteliHealth: Hyperthyroidism - Harvard Medical School's Consumer Health Information describes thyroid gland function, causes, symptoms, and prognosis.
- K. Jean Lucas, M.D.: Hyperthyroidism - Discusses symptoms, possible causes, diagnosis, treatment, and weight gain issues.
- MedicineNet: Hyperthyroidism - Articles discuss excess hormones, also known as thyrotoxicosis, causes, regulation, medication, and include doctor's responses.
- Molly b.'s Thyroid Pages - Personal experience with multinodular goiter, thyroid cyst, symptoms and treatment. Includes an FAQ and a forum.
- The Merck Manual: Hyperthyroidism - An in-depth summary of causes, symptoms, diagnosis, and treatment.