Meridia (Phentermine/Topiramate): Uses, Side Effects & Information

Meridia is a drug used in addition to diet and exercise to treat patients with obesity. It functions by altering serotonin, a natural chemical in the body that is released after a meal is eaten, causing a sense of fullness. Meridia allows serotonin levels to stay elevated for a longer period of time, curbing the patient's appetite.

Common Side Effects

• Common side effects of meridia include mild headache, insomnia, tremor, dry mouth and constipation.

Severe Side Effects

• Severe side effects include difficulty breathing, irregular heartbeat, seizures, and swelling of the face. If these symptoms occur, discontinue taking Meridia and seek medical attention immediately.

Interactions

• Do not take Meridia within 14 days of Marplan, Parnate, Nardil or other MAOIs. Dangerous interactions may also occur with other drugs. Seek medical advice before taking any drugs in conjunction with Meridia.

Pregnancy

• The Food and Drug Administration classifies Meridia as a class C drug. Women who are pregnant or may become pregnant should seek medical advice before using Meridia as it may be harmful to an unborn baby.

Warning

• Patients who suffer from the following conditions should seek medical advice before taking Meridia: high blood pressure, epilepsy, gallstones, glaucoma, and liver or kidney disease.