Health Adverse Events Continued After TikTok ‘Benadryl Challenge’ MrezaMkOctober 3, 2025019 views (MedPage Today) — DENVER — Reports of diphenhydramine (Benadryl)-related adverse events in 10- to 25-year-olds spiked numerous times in the U.S. following the emergence of the “Benadryl challenge” on TikTok in the spring of 2020, often exceeding…