Library
3-FMC
3-FMC is a synthetic stimulant of the substituted cathinone and phenethylamine classes. It is a structural isomer of flephedrone (4-fluoromethcathinone) and is pharmacologically related to mephedrone. 3-FMC has been distributed online as a designer drug, producing effects characteristic of its class. It may function as a monoamine releaser, reuptake inhibitor, or both. The substance is considered habit-forming and may carry significant addiction potential.
Also known as: 3-fluoromethcathinone
Classification
- Chemical: Cathinone
- Chemical: Phenethylamine
- Psychoactive: Entactogen
- Psychoactive: Stimulant
- Tag: Habit-Forming
- Tag: Research-Chemical
Effects
- Stimulation
- Increased Perspiration
- Bruxism
- Itchiness
- Increased Energyalertness
- Decreased Need For Sleep
- Euphoria
- Irritability
- Sociability Enhancement
- Increased Sociability
- Mood Lift
- Excessive Talking
- Increased Libido
- Appetite Suppression
- Auditory Hallucination
- External Hallucination
- Increased Sexuality
- Visual And Auditory Hallucinations
Routes of Administration
Oral
Dosage
- Heavy: 150+ mg
- Light: 25 – 50 mg
- Common: 50 – 100 mg
- Strong: 100 – 150 mg
- Threshold: 10–20 mg
Duration
- Onset: 0.33-0.75 h
- Peak: 1-1.5 h
- Offset: 2-4 h
- After Effects: 4-10 h
- Total Duration: 2-6 h
Insufflated
Dosage
- Heavy: 100+ mg
- Light: 10–25 mg
- Common: 25–60 mg
- Strong: 60–100 mg
- Threshold: 5–10 mg
Duration
- Onset: 0.03-0.17 h
- Peak: 0.75-1.25 h
- Offset: 2-4 h
- After Effects: 3-8 h
- Total Duration: 2-5 h
Rectal
Dosage
- Heavy: 120+ mg
- Light: 20–40 mg
- Common: 40–80 mg
- Strong: 80–120 mg
- Threshold: 10–20 mg
Duration
No data available for this section yet.
Harm Reduction
Check interactions before mixing substances, pay attention to dose spacing and hydration, and treat all dosage guidance as approximate rather than guaranteed safe.
Sources
Substance data is aggregated from the following public harm-reduction and reference sources.
Links
This static page is intended as a readable non-JS and prerender-friendly library export.