Duration of Effects

Cocaine 5-90 minutes

Amphetamines up to 12 hours

Varies widely from one Hallucinogen to another

LSD 10-12 hours

Psilocybin 2-3 hours

• PCP onset 1-5 minutes
• Peak 15-30
• Exhibits 4-6 hours

• DMX onset 15-30
• Effects 3-6 hours

Heroin 4-6 hours

Methadone: Up to 12 hours

Others vary

6-8 for volatile solvents

anesthetic gases and aerosols: very short

2-3 hours exhibit and feel

up to 24 hours of impairment