What Are Some Medical Conditions That Cause Weight Loss?


Quick Answer

Cancer, dementia, depression, Parkinson's disease and tuberculosis are medical conditions that cause weight loss. Diabetic hypoglycemia, HIV, peptic ulcers, Celiac disease and Chron's disease also cause weight loss, states Mayo Clinic.

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Full Answer

These medical conditions cause unintentional weight loss, which is defined as losing 10 pounds or 5 percent of normal body weight in six months to a year for an unexplained reason, according to MedlinePlus. Chemotherapy and thyroid medications, drug abuse, stress and an overactive thyroid gland can also cause weight loss. Medical attention is recommended if there are other symptoms associated with weight loss or the weight loss is severe.

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