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Drugs of Abuse

Diphenhydramine (DHM) is an antihistamine used to relieve allergy symptoms, hay fever, and cold symptoms. It blocks histamine and has sedative effects, making it useful for treating insomnia and motion sickness. Common side effects include drowsiness, dry mouth, and dizziness. Available over-the-counter, caution is advised due to potential interactions and increased risks in older adults.

Product Specification

Diphenhydramine (DHM)
ID Product Cat Number Type Cut Off Specimen Format Pack
403 Diphenhydramine (DHM) DDH-102 / Cassette 40 T
404 Diphenhydramine (DHM) DDH-114 / Panel 40 T
405 Diphenhydramine (DHM) DDH-101 / Dipstick 50 T