Benadryl Allergy UltraTab Tablets deliver fast, reliable relief from common allergy and cold symptoms. Each small, oval, film-coated tablet contains 25 mg of Diphenhydramine HCl, a clinically proven first-generation antihistamine that works by blocking histamine receptors to reduce the body's allergic response. This Costco value pack includes 200 tablets, typically packaged as two bottles of 100 tablets each, making it an economical choice for households that rely on Benadryl regularly.

Benadryl UltraTab is formulated to relieve sneezing, runny nose, itchy and watery eyes, itchy throat and nose, and skin itching associated with hay fever, upper respiratory allergies, hives, and other allergic reactions. The tablets are easy to swallow and are suitable for adults and children aged 12 and older at a standard dose of one to two tablets every 4 to 6 hours, not exceeding 6 tablets in 24 hours.

Benadryl may cause drowsiness; use caution when driving or operating machinery. Do not give to children under 2 years old without a doctor's guidance. Avoid alcohol while taking this medication. Consult a healthcare provider before use if you have glaucoma, an enlarged prostate, a breathing disorder, or are pregnant or breastfeeding.