@temahuzame: 🤧 Why does cetirizine stop allergy symptoms? During an allergic reaction, histamine binds to H1 receptors and causes sneezing, itching and a runny nose. 💊 Cetirizine blocks the H1 receptor, so histamine can't bind and symptoms ease. 👉 Follow for more pharmacy lessons! ⚠️ Ask a pharmacist or doctor before using any medicine. #Cetirizine #Allergy #Pharmacy #Health #PharmacyStudent

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Monday 21 September 2026 21:53:43 GMT