Phentermine is a nonamphetamine drug used as a short-term adjunct to calorie restriction for weight loss. Phentermine is available in two forms, phentermine hydrochloride (Fastin® and others) and phentermine resin (Ionamin® and others).
Interactions with Foods & Other Compounds
Phentermine should be taken on an empty stomach.1
Phentermine may cause dizziness or blurred vision.2 Alcohol may intensify these effects, increasing the risk for accidental injury. People taking phentermine should avoid alcohol.
1. Threlkeld DS, ed. Central Nervous System Drugs, Anorexiants. In Facts and Comparisons Drug Information. St. Louis, MO: Facts and Comparisons, Mar 1989, 239.
2. Threlkeld DS, ed. Central Nervous System Drugs, Anorexiants. In Facts and Comparisons Drug Information. St. Louis, MO: Facts and Comparisons, Mar 1989, 239.
Last Review: 08-17-2011
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