Phentermine: study card

Generic name

Phentermine

Class

Sympathomimetic amine anorectic

Mechanism

Sympathomimetic amine similar to amphetamine; appetite suppression is presumed, but other CNS or metabolic actions may contribute.

Used for

Short-term adjunct for a few weeks to exercise, behavioral modification and calorie restriction for obesity meeting the source BMI/risk-factor criteria; pediatric use is not recommended

Common side effects

Dry mouth; Insomnia; Restlessness; Palpitation / tachycardia; Constipation

Warnings

Primary pulmonary hypertension; Regurgitant valvular heart disease; Abuse and dependence

Interactions

MAOIs (hypertensive crisis); Alcohol; Insulin and oral hypoglycemics

Brand questions use only name pairings verified against the linked product source. Unverified pairings are withheld from these questions; the other study content remains available.

Label date: 20260817 · For learning, not clinical decisions. US label and brand information; always consult the current source.

Source snapshot checked: 2026-10-21. The source document and selected fields were compared. The complete card has not had an independent clinical review.