Diphenhydramine (DPH) is an over-the-counter antihistamine used to relieve symptoms of allergies and the common cold or occasional sleeplessness. Benadryl is the most common brand name for DPH, and some other medications that may contain DPH include Advil, Motrin, Sudafed and Unisom. DPH can come in tablet form, a capsule or a liquid.
When taken in quantities greater than the recommended dose or combined with other substances, DPH can result in elevated mood, increased energy levels and mild euphoria, or induce hallucinations.
Slang terms for DPH or its misuse include drill, benadryled, diph, pink dreamz and benny tripping.
While DPH misuse can be difficult to identify, and antihistamine overdose is not typically fatal, some symptoms of DPH overdose include:
To help prevent misuse, keep DPH and all medications out of sight and out of reach of children and adolescents and dispose of all expired and unwanted medications safely.