From MEpedia, a crowd-sourced encyclopedia of ME and CFS science and history

Cetirizine or cetirizine hydrochloride is a well-known non-sedating antihistamine medication and is commonly used for allergies and hayfever.[1][2] Brand names of cetirizine include Benadryl Allergy, Piriteze, Zyrtec and Zirtec.[1][3] Allergies that cetirizine is commonly used for include reactions to mold, dust mites, pets, pollen and skin allergies.

Theory[edit | edit source]

Evidence[edit | edit source]

Risks and safety[edit | edit source]

Costs and availability[edit | edit source]

Cetirizine is widely available over the counter, and may also be sold on prescription. Generic tablets are very cheap, but branded tablets are not.

Cetirizine hydrochloride is also sold as an oral solution/liquid, for example Piriteze allergy syrup for children, which is free of lactose.

See also[edit | edit source]

Learn more[edit | edit source]

References[edit | edit source]

  1. 1.0 1.1 "Cetirizine Hcl: Uses, Dosage & Side Effects". Drugs.com. Retrieved July 28, 2020.
  2. Hogan, Lilianna. "What's the Difference Between First-Generation and Second-Generation Antihistamines?". WebMD. Retrieved May 22, 2023.
  3. "Cetirizine: antihistamine that relieves allergy symptoms". nhs.uk. October 30, 2018. Retrieved July 28, 2020.