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Phendimetrazine
  • Treatments
  • Obesity

Phendimetrazine

Generic name: phendimetrazine [ fen-di-MEH-tra-zeen ]
Brand names: Bontril, Melfiat
Drug classes:Anorexiants, CNS stimulants

Medically reviewed by Sophia Entringer, PharmD. Last updated on Apr 11, 2022.

What is phendimetrazine?

Phendimetrazine is a sympathomimetic amine, which is similar to an amphetamine.

Phendimetrazine stimulates the central nervous system (nerves and brain), which increases your heart rate and blood pressure and decreases your appetite.

Phendimetrazine is a prescription medicine that is used together with diet and exercise to treat obesity.

Warnings

You should not use phendimetrazine if you have glaucoma, overactive thyroid, severe heart problems, uncontrolled high blood pressure, advanced coronary artery disease, extreme agitation, or a history of drug abuse.

Do not use this medicine if you have used an MAO inhibitor in the past 14 days, such as isocarboxazid, linezolid, methylene blue injection, phenelzine, rasagiline, selegiline, or tranylcypromine. A dangerous drug interaction could occur, leading to serious side effects.

Weight loss during pregnancy can harm an unborn baby, even if you are overweight. Do not use phendimetrazine if you are pregnant or breast feeding.

Do not stop using this medicine suddenly after long-term use, or you could have unpleasant withdrawal symptoms. Ask your doctor how...