• TRADE NAMES: Adipex-P (Teva); Behapront; Diminex; Ionamin (Celltech); Lomaira (Avanthi); Minobese-Forte; Panbesy; Panbesyl; Qsymia (Vivus); Redusa; Suprenza; Umine; Zantryl
  • INDICATIONS:

    Obesity.

    Adjunct for the treatment of obesity and for weight loss management in defined populations and health conditions.


  • CLASS: Amphetamine, Anti-obesity / weight loss pharmacotherapy
  • HALF-LIFE: 19–24 hours

Qsymia, a combination of phentermine and topiramate, has been approved by the FDA for chronic weight management.

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Page last updated 06/28/2025

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Incidence

<1% 1‑5% 5‑10% 10‑15% 15‑20% 20‑30% >30%

Seriousness

Hospitalization possible
Life threatening
Fatal

Warnings in other populations

BreastfeedingBreast feeding

GeriatricGeriatric

PediatricPediatric