Also indexed as: Adipex-P®, Duromine®, Fastin®, Ionamin®, Obenix®, Obephen®, Obermine®, Obestin®, Phentamine®, Phentride®, T-Diet®, Zantril®
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).
Summary of
Interactions with Vitamins, Herbs, and Foods
In some cases, an herb or supplement may appear in more than one category, which may seem
contradictory. For clarification, read the full article for details about the summarized
interactions.
| 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 |
An asterisk (*) next to an item in the summary indicates that the interaction is supported only by weak, fragmentary, and/or contradictory scientific evidence.
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.
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.
Copyright © 2004 Healthnotes, Inc. All rights reserved. www.healthnotes.com
Please read the disclaimer about the limitations of the information provided here. Do NOT rely solely on the information in this article.
Learn more about Healthnotes, the company.
Learn more about the authors of Using Medicines with Vitamins and Herbs
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 2005.