At a Glance
Dosage
Only in Ephedrine
oral
| Level | Dose |
|---|---|
| Threshold | 5 mg |
| Light | 10–20 mg |
| Common | 20–30 mg |
| Strong | 30–50 mg |
| Heavy | 50 mg |
Only in 2-FEA
insufflated
| Level | Dose |
|---|---|
| Threshold | 15 mg |
| Light | 20–30 mg |
| Common | 30–40 mg |
| Strong |
Duration
Only in Ephedrine
oral
Total: 2 hrs – 5 hrsOnset
Afterglow
Onset20 min – 1.5 hrs
Afterglow2 hrs – 4 hrs
Only in 2-FEA
insufflated
Total: 1 hrs – 2.5 hrsPeak
Offset
Effects
Safety
Interaction: Ephedrine + 2-FEA
Caution
Increased cardiovascular strain and neurotoxicity risk
Ephedrine — Dangerous Interactions
2-FEA — Dangerous Interactions
Frequently Asked Questions
What is the difference between Ephedrine and 2-FEA?
Ephedrine is classified as a Stimulants (Amphetamine) while 2-FEA is classified as a Entactogen, Stimulants (Substituted amphetamines). They share 23 effects in common, with 5 effects unique to Ephedrine and 33 unique to 2-FEA.
Is it safe to combine Ephedrine and 2-FEA?
The interaction between Ephedrine and 2-FEA is classified as "Caution". Increased cardiovascular strain and neurotoxicity risk Always research interactions thoroughly before combining any substances.
Which is stronger, Ephedrine or 2-FEA?
Ephedrine and 2-FEA are typically administered via different routes, making a direct potency comparison difficult. They belong to different pharmacological profiles and should not be compared by dose alone.