Two of the biggies are Zyrtec and Claritin — over-the-counter drugs have been helping folks with seasonal allergies for years ...
Examples of common antihistamines include Claritin (loratadine) and Benadryl (diphenhydramine), over-the-counter (OTC) ...
You can monitor local pollen levels on weather or allergy apps or on sites such as ... Getty Images Some antihistamines, like Claritin-D and Allegra-D, come combined with pseudoephedrine (Sudafed).