- MedicineNet - Hypothyroidism
- Description, causes, symptoms, and treatment. Includes information about secondary hypothyroidism which is related to an abnormality in the pituitary gland.
- eMedicine - Hypothyroidism - Article by Philip R Orlander, MD. Containing background, pathophysiology, symptoms, differentials, and clinical findings.
- Endocrineweb - Hypothyroidism - Thorough overview includes symptoms, dangers, diagnosis, and treatment of hypothyroidism. Written by doctors for patients.
- Hypothyroidism - Recommendations for the evaluation and treatment of patients with thyroid diseases. From the AACE. [PDF]
- Hypothyroidism - A physician's site covering the basics. Includes causes, risks, associated disease, symptoms, standard laboratory tests, reference ranges, Free T3 and Free T4.
- Hypothyroidism (Myxedema) - HealthWorld Online provides signs, symptoms, and discusses alternative therapies for low thyroid function.
- Hypothyroidism Type 1 & 2 - Suggests that there is more than one type of myxedema that is yet to be recognized by mainstream medicine. Provides a number of photographs.
- InteliHealth - Hypothyroidism - Harvard Medical School's consumer health information. Includes symptoms, diagnosis, prevention, and treatment.
- The Merck Manual - Hypothyroidism - A look at myxedema including signs, symptoms, diagnosis, laboratory evaluation, and treatment.