How often should I take cetirizine for hay fever?

Apr 25, 2018 ... Diphenhydramine (e.g., Benadryl®) is a first-generation antihistamine medication [1]. ... Cetirizine (e.g., Zyrtec®) was compared to new and old ... Cetirizine, fexofenadine, or loratadine are often recommended for urticaria. · Antihistamine eye drops may be advised when itchy eyes are a particular problem - ... This article compares Allegra, Claritin, and Zyrtec by looking at how quickly they work, recommended dosages, and side effects. Cetirizine and pseudoephedrine is a combination of an antihistamine and a decongestant used to treat the symptoms of seasonal or yearly allergies. These products could substantially worsen symptoms of BPH, make it harder to urinate and may trigger complete urinary retention. cetirizine · desloratadine · fexofenadine · loratadine · bilastine. In Australia, most antihistamines are available over the counter from pharmacies without a ... Oct 1, 2024 ... What is cetirizine? Cetirizine is an antihistamine. Antihistamines are medications that have been used to treat symptoms of allergies, like ... Apr 16, 2025 ... Cetirizine is an antihistamine medication commonly used to alleviate symptoms of allergies such as sneezing, itching, and a runny nose. Sep 20, 2024 ... Cetirizine will start to work within one hour after you take it. It provides allergy relief for 24-hours. It relieves symptoms like sneezing, ... Jan 15, 2020 ... Cetirizine (for oral use) is classified as a non-prescription (OTC) medicine in Medsafe. Classification database. It is already available as a ...