💊
Typical Dose 20-40 mg
⚠️
Interaction Risk Unknown
🔬
Detection Methods 1
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Effect Profile

Describes the acute effect. This profile does not influence the OpenMind Score.

No effect profiles yet. Describe the acute effect without changing the long-term score.

Description

Phentermine is a psychostimulant of the substituted amphetamine class, widely used in medicine as a short-term appetite suppressant for weight management. It primarily acts by releasing norepinephrine and, to a lesser extent, dopamine. It carries risk of cardiovascular side effects, insomnia, and psychological dependence.

Effects & Dosing

Dosage

Oral

Light Common Strong
15-20 mg 20-40 mg 40-70 mg

Duration

Oral

Onset 4h - 6h
After Effects 1h - 10h
Safety & Risks

Detection Times

Method Detection Window
Urine 1–4 days

Note: Prescription weight loss medication. Can cause false positives for amphetamines on immunoassay screening.

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