Benadryl, known generically as diphenhydramine, is a common over‑the‑counter antihistamine used to treat allergies, the common cold, and sleeplessness. It’s legal, easy to get, and—when used properly—safe. But when taken in high doses or without medical advice, it can be abused, leading to serious health risks including addiction, withdrawal, and even death. This blog dives into Benadryl abuse: what it is, why it happens, how to recognize it, and how to get help.