4-FA
Aliases: 4-Fluoroamphetamine, 4fa, 4-fmp, 4-fluoroamphetamine
Categories
Summary
An empathogen commonly used in place of MDMA, having a similar duration of empathogenic effects. This drug, however, has a longer stimulant "tail," during which effects are more like those of amphetamines. Not to be confused with 4-FMA, which has a similar potency, but is not particularly empathogenic.
Dose Information
Onset, Duration & After-effects
- Onset:
- Oral: 30-90 minutes
- Duration:
- 4-8 hours
- After-effects:
- 1-24 hours
Effects
- Euphoria
- increased energy/alertness
- decreased need for sleep
- increased sociability
- mood lift
- increased sexuality
- excessive talking
- decreased appetite
- weight loss
- sweating
- disturbed sleep patterns
- bruxism
- visual and auditory hallucinations
- itchiness
- aggressiveness
- moodiness
Helpful Links
Known Combinations
Studies & References
- Comparison of 4-chloro-, 4-bromo- and 4-fluoroamphetamine in rats: drug levels in brain and effects on brain serotonin metabolism.
- 4-Fluoroamphetamine, in contrast, lowered serotonin and 5-hydroxyindoleacetic acid levels only for short times (2–6 hr) after drug injection, and 5-hydroxyindole levels were essentially back to normal within 24 hr. - http://www.sciencedirect.com/science/article/pii/0028390875900994