What is the most sedating over the counter antihistamine for sleep?
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3 min read
Surveys show that between 15% and 20% of American adults use a nonprescription sleep aid each month [1.6.4]. When considering **what is the most sedating over the counter antihistamine**, first-generation options like doxylamine succinate and diphenhydramine are the primary choices due to their significant sedative properties [1.2.4, 1.2.1].