Antihistamines That Make You Sleepy

Leeds News Today | 2 Min News | The Daily News Now! · Jun 26, 2026 · 1m

The NHS is warning about antihistamines this summer—especially if you’re on the go. While great for hay fever, hives, and bug bites, they split into sleepy and non-sleepy types. Chlorphenamine (Piriton) and diphenhydramine are the drowsy ones; acrivastine and loratadine are the alert-friendly picks. If you feel drowsy or dizzy, don’t drive or cycle—and avoid alcohol, which amps up the sleepiness. No one-size-fits-all here—your body’s reaction varies. The NHS prefers non-sedating options, but if allergies are wrecking your sleep, a drowsy antihistamine might be your lifeline. Always consult a…