What are antihistamines?

Mar 30, 2025 ... Cetirizine is primarily used to treat allergic conditions such as hay fever, allergic rhinitis, and urticaria (hives). CETIRIZINE (se TI ra zeen) prevents and treats allergy symptoms, such as red, itchy eyes, sneezing, a runny or stuffy nose, or hives. It works by blocking ... This multi-action over-the-counter (OTC) allergy eye drop is the original prescription strength and clinically proven to relieve red, itchy eyes due to ... Jun 4, 2020 ... ... antihistamine) makes you sleepy. This effect may be one of the ... Zyrtec and Allegra and compared them to 599 people (401 female and ... Nov 1, 2012 ... In summary, cetirizine has similar efficacy and onset of action as compared with diphenhydramine in treating acute food allergic reactions. With ... Jul 8, 2014 ... Product overview. Cetirizine is a non-sedating antihistamine, which is licensed for the relief of symptoms of chronic idiopathic urticaria at a ... Apr 15, 2024 ... Unfortunately, ignoring the warnings about mixing cetirizine and alcohol could indicate you are dependent on alcohol. Cetirizine dihydrochloride and cetirizine hydrochloride work exactly the same way when treating hay fever and allergies. The difference between these lies ... Aug 26, 2020 ... The Poison Center recommends evaluation in a health care facility if amount ingested of diphenhydramine (one of the most frequently ingested) is 7.5mg/kg or ... May 3, 2022 ... Oral antihistamines tend to get billed as a multipurpose “allergy pill.” We're talking Cetirizine, which is Zyrtec; loratadine, which is ...