Ephedrine
Aliases: Sudafed, Ephedra, Ma huang, Isofedrol, Mini thins
Summary
Ephedrine is a naturally occurring alkaloid found in Ephedra species. It is used medically as a bronchodilator, decongestant, and to treat hypotension. Structurally similar to amphetamines but less potent.
Dose Information
| ROA | Light | Common | Strong | Heavy |
|---|---|---|---|---|
| Oral | 10-20mg | 20-30mg | 30-50mg | 50mg+ |
Light
Common
Strong
Heavy
Onset, Duration & After-effects
| ROA | Onset | Peak | Offset | Total |
|---|---|---|---|---|
| Oral | 20-90 min | 1-2 hrs | 2-4 hrs | 3.3-7.5 hrs |
| Insufflated | 5-15 min | 30-60 min | 1-2 hrs | 1.6-3.2 hrs |
Effect Profile
63 reportsScores (1–10) curated from multiple sources:
- Effect keyword matching from PsychonautWiki catalog
- Validated against 63 Erowid trip reports
- Weighted by importance: core (×3), major (×2), minor (×1)
Stimulant
7.8
Intense
8/10
Strong stimulation, euphoria, and anxiety/jitters with moderate focus
Stimulation / Energy
×3
10
stimulation
wakefulness
alertness enhancement
Euphoria / Mood Lift
×2
10
physical euphoria
cognitive euphoria
euphoria
Focus / Productivity
×2
6
memory enhancement
Anxiety / Jitters
×1
10
anxiety
restlessness
increased heart rate
Based on reports from:
Tolerance
Build-up
develops over days to weeks of regular use
Reset
3–7 days for acute; 1–3 weeks for full reset
Tolerance Decay
Full tolerance
2d
Half tolerance
3d
Baseline
~7d
Tachyphylaxis to pressor and subjective stimulant effects is common with repeated dosing over hours–days; substantial recovery generally occurs over several days of abstinence. Data are largely theoretical/anecdotal for recreational patterns.
Cross-Tolerances
Amphetamines
40%
Other stimulants
30%
Effects
Aggregated from 63 Erowid experience reports
Positive Effects 8
Stimulation
65.1%
70%
Focus Enhancement
30.2%
70%
Euphoria
27.0%
70%
Music Enhancement
25.4%
70%
Empathy
15.9%
70%
Body High
14.3%
70%
Tactile Enhancement
9.5%
70%
Color Enhancement
9.5%
70%
Adverse Effects 7
Nausea
25.4%
70%
Anxiety
22.2%
70%
Confusion
17.5%
70%
Headache
12.7%
70%
Increased Heart Rate
12.7%
70%
Sweating
11.1%
70%
Memory Suppression
7.9%
70%
Combinations
Pill Identifiers
1
known pill identifiers on record — view imprints, colors, shapes, and images
→
Ephedrine's nerd page
Pharmacology, chemical data, effect profiles, and more
→