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Fastin Drug Interactions

Currently displaying 43 drugs known to have a major interaction with Fastin (phentermine).

View all medications that may interact with Fastin (phentermine) or return to the list of commonly checked interactions in combination with this medicine.

Major interactions with Fastin (phentermine)

Note: Showing generic names only.

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Fastin alcohol/food interactions

There are 3 alcohol/food interactions with Fastin (phentermine).

Fastin disease interactions

There are 13 disease interactions with Fastin (phentermine) which include:

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Drug Interaction Classification

These classifications are only a guideline. The relevance of a particular drug interaction to a specific individual is difficult to determine. Always consult your healthcare provider before starting or stopping any medication.
Major Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit.
Moderate Moderately clinically significant. Usually avoid combinations; use it only under special circumstances.
Minor Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan.
Unknown No interaction information available.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

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