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Dexfenfluramine Dosage

Applies to the following strengths: 15 mg

Usual Adult Dose for:

Additional dosage information:

Usual Adult Dose for Weight Loss

15 mg orally twice a day, with meals.
Doses above 30 mg/day are not recommended.


Infrequently, symptoms (e.g., abdominal pain, anxiety, asthenia, delusion, depression, diarrhea, dizziness, hypertension, insomnia, nausea and vomiting) have occurred within several days following cessation of dexfenfluramine. If such symptoms occur, consider tapering the dose (15 mg once daily) for 2 weeks prior to complete discontinuation.

Further information

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