Equate - Allergy Relief, Diphenhydramine 25 mg, 24 Capsules (Compare to Benadryl) Go to amazon.com Related posts 11 best diphenhydramine 25mg capsules for 2022 FeatureCompare to Benadryl Active Ingredient.Diphenhydramine HCl, 25 mg.Antihistimine.Relieves: Sneezing, Itchy, Watery Eyes, Runny Nose, Itchy Throat.24 Capsules. DescriptionTemporarily relieves these symptoms due to hay fever or other upper respiratory allergies: runny nose, sneezing, itchy, watery eyes, itching of the nose or throat.