from The American Heritage® Dictionary of the English Language, 4th Edition

  • A trademark used for the therapeutic drug phentermine.


Sorry, no etymologies found.


  • "Phen" is short for phentermine, which is marketed under various trade names such as Ionamin and Fastin, as well as several generic forms.

    Fen-Phen May Cause Rummage Sale of Wyeth Assets

  • That leaves just two weight-loss drugs available now: orlistat (Xenical) and phentermine (Adipex-P, Ionamin).

    FDA rejects obesity drug, Qnexa

  • In the US, Phentermine is currently sold under the brand names Ionamin® (Medeva Pharmaceuticals) and Adipex-P® (Gate Pharmaceuticals).


  • Phentermine Resin Extended-Release Capsules, 15 mg and 30 mg, are therapeutically equivalent to the reference listed drug, Ionamin

  • The comment is about phentermine (Fastin, Adipex, Ionamin), half of a new drug under consideration by the FDA, but it could apply to all the diet drugs. Main RSS Feed

  • (Rimonabant)  Ionamin (Phentermine)  Adipex-P (Phentermine)  Phentermine (Phentermine) 

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