4-FA/Summary
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Psychoactive class: Entactogen, Stimulants
Chemical class: Substituted amphetamines
Harm potential
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- Moderately addictive with a high potential for abuse
Tolerance
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- Full tolerance is reached develops with prolonged and repeated use
- Decreases to half after 3 - 7 days
- Returns to baseline after 1 - 2 weeks
- Cross-tolerance with all dopaminergic stimulants