Therapeutic Category: Non-sedating antihistamine (H1-receptor antagonist) Active Ingredient: Loratadine 10 mg Dosage Form: Orally disintegrating tablet (ODT), conventional tablet, oral solution Manufacturer: Wyeth Consumer Healthcare (now part of Pfizer) Introduction: What is Alavert? Its Role in Modern Medicine Look, I’ll be straight with you—when patients come in complaining about seasonal allergies, they usually want something that works without knocking them out for the afternoon. That’s where Alavert comes in. It’s loratadine, plain and simple, but in a formulation that actually makes a difference for certain patient populations.