Bid good bye to all those nasal allergic symptoms instantly with Equate Allergy 24 Hour Indoor and Outdoor Tablets, 90 ct. When histamine in your body exceeds the limit, it can produce symptoms of itching, watery eyes, runny nose, and sneezing. These Equate cetirizine hydrochloride 10mg tablets temporarily relieve these symptoms due to hay fever or other upper respiratory allergies by reducing the amount of natural histamine in your body. Satisfaction is guaranteed by refund or exchange of these allergy relief tablets.