Phentermine

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).

Safetychecker Summary for Phentermine
(for details about the summarized interactions, read the full article)

Depletion or interference	None known
Side effect reduction/prevention	None known
Supportive interaction	None known
Reduced drug absorption/bioavailability	None known
Adverse interaction	None known

Interactions with Foods and Other Compounds

Food
Phentermine should be taken on an empty stomach.¹

Alcohol
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.

References:

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.

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The information presented in Healthnotes is for informational purposes only. It is based on scientific studies (human, animal, or in vitro), clinical experience, or traditional usage as cited in each article. The results reported may not necessarily occur in all individuals. For many of the conditions discussed, treatment with prescription or over-the-counter medication is also available. Consult your doctor, practitioner, and/or pharmacist for any health problem and before using any supplements or before making any changes in prescribed medications. Information expires December 2003.