3-FPM is a functional stimulant related to phenmetrazine, producing effects similar to amphetamine with reportedly less nervousness and euphoria. Users describe it as more subtle and focused, making it suitable as a study aid. However, significant concerns exist: some users report serious flu-like symptoms on comedown (muscle aches, fever, chills) potentially due to systemic inflammation, and rare cases of severe adverse reactions including vasculitis have been documented. Insufflation causes extreme pain. Very limited long-term safety data exists, and users should exercise caution with dosing and frequency.
Also known as: 3f-p, 3-fph, Pal-593, 3f-phenmetrazine, 3-fluorophenmetrazine
Classification
Chemical: Amphetamine
Chemical: Phenylmorpholine
Psychoactive: Stimulant
Tag: Habit-Forming
Tag: Research-Chemical
Tag: Substituted amphetamine
Effects
Stimulation
Increased Heart Rate
Teeth Grinding
Pupil Dilation
Increased Energyalertness
Decreased Need For Sleep
Focus Enhancement
Motivation Enhancement
Cognitive Euphoria
Thought Acceleration
Wakefulness
Time Distortion
Appetite Suppression
Increased Libido
Disinhibition
Dehydration
Increased Sexuality
Visual And Audiotory Hallucinations Itchiness
Routes of Administration
Oral
Dosage
Threshold: 5-10 mg
Light: 10-20 mg
Common: 20-50 mg
Strong: 50-70 mg
Heavy: 70-100 mg
Duration
Onset: 0.33-0.67 h
Comeup: 0.5-1 h
Peak: 2-4 h
Offset: 1-2 h
After Effects: 0.5-1.5 h
Total Duration: 5-8 h
Insufflated
Dosage
Threshold: 2-5 mg
Light: 10-20 mg
Common: 15-30 mg
Strong: 30-50 mg
Heavy: 50-70 mg
Duration
Onset: 0.08-0.17 h
Comeup: 0.25-0.5 h
Peak: 0.5-2 h
Offset: 1-2 h
After Effects: 0.5-1.5 h
Total Duration: 3-6 h
Vaporized
Dosage
Heavy: 50+ mg
Light: 10-15 mg
Common: 20-25 mg
Strong: 35-50 mg
Threshold: 10 mg
Duration
No data available for this section yet.
Rectal
Dosage
Heavy: 60+ mg
Light: 15-20 mg
Common: 25-35 mg
Strong: 40-60 mg
Threshold: 10 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.
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3-FPM - przewodnik po substancji DrugsPRO
3-FPM: 3-FPM is a functional stimulant related to phenmetrazine, producing effects similar to amphetamine with reportedly less nervousness and euphoria. Users describe it as more subtle and focused, making it suitable as a study aid. However, significant concerns exist: some users report serious flu
