Template:SubstanceBox/Diphenhydramine

Chemical Nomenclature

Common names

DPH, Benadryl, Nytol, Sominex, Unisom SleepMelts, ZzzQuil

Substitutive name

Diphenhydramine

Systematic name

2-(diphenylmethoxy)-N,N-dimethylethanamine

Class Membership

Psychoactive class

Deliriant

Chemical class

Ethanolamine

Routes of Administration

WARNING: Always start with lower doses due to differences between individual body weight, tolerance, metabolism, and personal sensitivity. See responsible use section.

⇣ Oral
Dosage
Bioavailability	40-60%
Threshold	25 mg
Light	100 - 200 mg
Common	200 - 400 mg
Strong	400 - 700 mg
Heavy	700 mg +
Duration
Total	3 - 10 hours
Onset	30 - 90 minutes
Come up	45 - 90 minutes
Peak	1 - 4 hours
Offset	2 - 6 hours
After effects	up to 24 hours

DISCLAIMER: PW's dosage information is gathered from users and resources for educational purposes only. It is not a recommendation and should be verified with other sources for accuracy.