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Mild side effects, such as nausea, constipation or diarrhea, are common. They may lessen over time. Rarely, serious side effects can occur. For this reason, it's important to thoroughly discuss treatment options with your doctor.

Weight-loss drugs can be expensive and aren't always paid for by insurance. Ask your insurance company about coverage.

Many people gain back some of the weight they lost when they stop taking weight-loss drugs. However, adopting healthy lifestyle habits may help limit weight gain.