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Ephedrine Dosage
by Erowid


Ephedrine is a common central nervous system stimulant present in the herb Ephedra sinica. It is sold in herbal supplements, in diet aids, and as a pure chemical. It is generally found in capsule or tablet form and is usually taken orally. The chart below shows oral dosages for ephedrine in milligrams (mg).

Oral Ephedrine Dosages
Threshold5 - 10 mg
Light10 - 20 mg
Common15 - 30 mg
Strong30 - 50 mg
Heavy50 + mg

Onset : 20 - 90 minutes (depending on form and stomach contents)
Duration : 2 - 5 hours
Normal After Effects : 2 - 4 hours

There have been deaths associated with higher dose use of Ephedrine. Overdose can lead to dangerously increased pulse rate, blood pressure, and body temperature. Overdoses are treated like those of other stimulant overdoses.

Every individual reacts differently to every chemical.
Know your Body - Know your Mind - Know your Substance - Know your Source.

Erowid's dosage information is a summary of data gathered from users, research, and other
resources and should not be construed as recommendations. Individuals can respond
differently to the same dosage. What is safe for one can be deadly for another.