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Why People See the “Hat Man” on Benadryl: The Science, Risks, and Safe Paths Forward
Understanding the Benadryl “Hat Man”: How Anticholinergic Delirium Creates Shadowy Hallucinations The viral folklore of a shadowy figure in a brimmed hat—the so‑called “Hat Man”—has become shorthand for a very real and dangerous effect of misusing Benadryl (diphenhydramine). Benadryl is an over‑the‑counter antihistamine designed to treat allergies and sometimes short‑term Read more…