Phentermine

Generic Name: phentermine (FEN ter meen)

Brand name: Adipex-P, Obenix, Oby-Trim

Drug interactions:

phentermine should not be taken by patients with glaucoma, hyperthyroidism, or a history of drug abuse or psychotic illnesses. phentermine is not recommended in patients with high blood pressure that is not well controlled. Patients on phentermine should have their blood pressure closely followed. Insulin requirements may change in patients on phentermine; alcohol can cause a drug interaction. Abrupt stoppage of the drug can cause withdrawal with fatigue and depression. phentermine is potentially addicting. phentermine is not recommended for patients with symptomatic heart disease including rhythm problems.

The most important information you should know about phentermine:

Use caution when driving, operating machinery, or performing other hazardous activities. phentermine may cause dizziness, blurred vision, or restlessness, and it may hide the symptoms of extreme tiredness. If you experience these effects, avoid hazardous activities.

phentermine is habit forming. You can become physically and psychologically dependent on this medication, and withdrawal effects may occur if you stop taking it suddenly after several weeks of continuous use. Talk to your doctor about stopping this medication gradually.

Do not crush, chew or open any "once-daily" phentermine tablets or capsules. Swallow them whole.