← hubDrugs

4F-EPH

Discover related
Class
Dose
Duration

1 source

← All substances
Sections
StimulantSubstituted phenidates

Also known as 4F-EPH, 4-FEPH

Addiction potential
moderately addictive with a high potential for abuse
Tolerance
full tolerance develops with prolonged and repeated use; half after 3 - 7 days; baseline after 1 - 2 weeks
Cross-tolerance
dopamine, stimulant

Oral

Route dataPsychonautWiki

Dose
WeakerStronger
ThresholdLightCommonStrongHeavy
5 mg5–10 mg10–15 mg15–30 mg30 mg+
037.5 mg
LightCommonStrongHeavy
Duration
ShorterLonger
Onset10–25 minutes
Total5–6 hours
After-effects4–12 hours
OnsetCome-upPeakOffset

Dangerous interactions

25x-NBOMe25x-NBOHTramadolMAOIs

Unsafe interactions

DXMMDMAStimulants

Caution / uncertain

AlcoholMXEDissociatives
Plan when to take 4F-EPH — see where onset, peak and comedown land on the clock

Source: PsychonautWiki — 4F-EPH ↗

Fact-sheets from PsychonautWiki. Harm-reduction reference only — not medical advice.