Simple Meds

This thyroid replacement hormone is mainly used to treat a low thyroid level (hypothyroidism). Hypothyroidism is common, with an estimated 5% of Americans having the disease. Left untreated, hypothyroidism can cause obesity, infertility, joint pain, and heart disease. Some recent research from Mayo Clinic suggests that levothyroxine may be being overprescribed for people with normal thyroid levels or mild hypothyroidism.