July 30, 2015
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Fastin

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Fastin

Discontinued Warning IconPlease Note: This Brand Name drug is no longer available in the US.
(Generic versions may still be available.)

Side Effects
Interactions

SIDE EFFECTS

Cardiovascular: Palpitation, tachycardia, elevation of blood pressure.

Central Nervous System: Overstimulation, restlessness, dizziness, insomnia, euphoria, dysphoria, tremor, headache; rarely psychotic episodes at recommended doses.

Gastrointestinal: Dryness of the mouth, unpleasant taste, diarrhea, constipation, other gastrointestinal disturbances.

Allergic: Urticaria.

Endocrine: Impotence, changes in libido.

Read the Fastin (phentermine) Side Effects Center for a complete guide to possible side effects

DRUG INTERACTIONS

Concomitant use of alcohol with phentermine hydrochloride may result in an adverse drug interaction.

Last reviewed on RxList: 12/8/2004
This monograph has been modified to include the generic and brand name in many instances.

Side Effects
Interactions

Report Problems to the Food and Drug Administration

 

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.


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