Tag: Zyrtec vs Allegra
Cetirizine vs Fexofenadine: Which Antihistamine Has Fewer Side Effects?
Cetirizine and fexofenadine are both effective for allergies, but their side effect profiles differ. Cetirizine works faster but causes drowsiness in up to 15% of users. Fexofenadine is less sedating and better for daily alertness. Here's how to choose.
