238 In the index

Phentermine PHEN-T

An FDA-approved appetite-suppressing stimulant, one of the most commonly prescribed short-term weight-loss medications, also combined with another drug as Qsymia. Human studies support real short-term weight loss, with a raised heart rate and blood pressure as the main things to watch for.

Also known as Adipex

Effects Lose fat

Routes Oral

Legal status Controlled substance

WADA Banned in-competition

3D Molecular Structure of C₁₀H₁₅N

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Chemistry

Formula: C10H15N
Molar mass: 149.23
CAS: 122-09-8
PubChem CID: 4771

Reported dosing

Approved label

What has been reported in the literature and by users. This is a record of what is done, not a recommendation.

Typical dose 15-37.5 mg/day

Reported range 15-37.5 mg/day

Route Oral

Frequency Once daily (morning)

Duration FDA labeling specifies short-term use (a few weeks), though longer-term off-label prescribing is common in practice

FDA-approved appetite suppressant (Adipex-P, and combined with topiramate as Qsymia); a Schedule IV controlled substance.

Where this comes from FDA prescribing information

These figures are recorded for reference and are not a recommendation. Dosing is a decision for you and a clinician.