Dogs*SENTRY Allergy Relief, 100Ct – Pet Home | The Perfect Pet Supplies Shopping Experience

Sentry Allergy Relief contains the antihistamine diphenhydramine HCI, the same ingredient as Benadryl. It provides temporary relief of respiratory allergy symptoms, including itching skin, sneezing, and itchy, watery eyes in dogs. Sentry Allergy Relief contains 25 mg diphenhydramine HCI per tablet.