What Antihistamines Make You Drowsy?

Antihistamines
  • antihistamines that make you feel sleepy – such as chlorphenamine (including Piriton), hydroxyzine and promethazine.
  • non-drowsy antihistamines that are less likely to make you feel sleepy – such as cetirizine, fexofenadine and loratadine.

What antihistamines make you sleepy?

Diphenhydramine is known as a drowsy, or sedating, antihistamine as it makes you sleepy. Non-drowsy antihistamines are less likely to have this effect. These include cetirizine, fexofenadine and loratadine.

Which antihistamines are sedating?

Examples of sedating antihistamines:
  • Alimemazine.
  • Chlorphenamine.
  • Clemastine.
  • Cyproheptadine.
  • Hydroxyzine.
  • Ketotifen.
  • Promethazine.
Alexander Ross

Alexander Ross

Gaming, Esports & Interactive Media Writer

Alexander Ross has covered the video game industry for a decade, writing deep dives on game design, esports tournaments, VR developments, and gaming culture.