Cetirizine-induced anaphylactic reaction refractory to steroids: A case report

Cetirizine is the first choice over-the-counter drug for all types of allergic reactions. Belonging to the second-generation antihistamine, it has a very high affinity for peripheral H1 receptors. It rapidly relieves symptoms, has additional anti-inflammatory effects, and is well tolerated by most people. Despite this, some adverse effects include fatigue, pharyngitis, dizziness, headaches, and dry mouth. Hypersensitivity reactions induced by cetirizine are infrequent. Here, we are reporting a case of cetirizine-induced anaphylaxis found refractory to steroid therapy.