What are the symptoms of a drug allergy?

Cetirizine (Zyrtec®, Reactine®) is an antihistamine used to treat and prevent pruritus (itching) associated with atopic dermatitis, urticaria (hives), and ... Cetirizine (Zyrtec) ¼ – ½ mg per pound (one 10mg tab per 30-40 lbs) twice daily. Loratadine (Claritin): ¼ mg per pound (half of a 10mg tablet per 20 lbs) ... Cetirizine, also commonly known as Zyrtec, is an orally active second-generation histamine H1 antagonist proven effective in the treatment of various allergic ... Nov 1, 2012 ... In summary, cetirizine has similar efficacy and onset of action as compared with diphenhydramine in treating acute food allergic reactions. With ... Aug 4, 2023 ... Cetirizine is designed to treat and relieve the symptoms associated with an allergic reaction. Cetirizine has become a common ingredient in antihistamines. Cetirizine is an antihistamine, which means it blocks histamine from binding to H1 receptors. This helps provide effective relief from allergy symptoms. The original triple-action, prescription-strength formula that works in minutes to deliver up to 12 hours of allergy eye itch relief. When to Use. Treatment of nasal or eye allergies, hives, itching and other allergic symptoms. Table Notes: Nov 28, 2018 ... While patients have reported that cetirizine hydrochloride works faster, loratadine lasts longer. Products with the ingredients state to be ... Antihistamines are commonly recommended for the treatment of allergic symptoms. This guideline will only deal with H1 antagonists.