Medication and Weight Gain

March 31, 2009

Antidepressants

An unfortunate side effect from some antidepressants is weight gain, which may occur in up to 25% of people taking them long-term. Talk to your doctor about switching to another drug if you think your antidepressant is causing weight gain. But realize that some people experience weight gain after beginning drug treatment simply because they’re feeling better, which leads to a better appetite.

Corticosteroids

Anti-inflammatory steroid medications like prednisone are notorious for causing weight gain. Fluid retention and increased appetite are the main reasons. Although weight gain is common, the severity of this side effect depends on the strength of the dose and length of time on the drug. Some people may also see a redistribution of fat while taking the drug — to places like the face, back of the neck, or the abdomen.

Other Drugs That May Cause Weight Gain

Several other prescription drugs have been associated with weight gain. The list includes antipsychotic drugs (used to treat mood disorders like schizophrenia and bipolar disorders), along with medications to treat migraines, seizures, high blood pressure, and diabetes. Work with your doctor to find a medication that treats your symptoms without disrupting side effects.

“The Pill” Does NOT Cause Weight Gain

Contrary to popular belief, combination birth control pills (estrogen and progestin) do not cause weight gain. In fact, some women on the pill lose weight, primarily from nausea. If you’re still concerned about possible weight gain, talk to your health care provider.

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