Real in-store prices from 600+ Costco locations. Download on the App Store to track prices, scan shelf tags, and get alerts.
Children's Benadryl Allergy Liquid, 2 x 8 Ounce
In-store pricing snapshot
Last known warehouse price ยท Jul 2, 2026. Currently out of stock.
* Prices shown are for Costco members only.
Children's Benadryl Allergy Liquid provides fast-acting antihistamine relief for kids aged 6 to 11. Each dose delivers 12.5 mg of Diphenhydramine HCl per 5 mL, temporarily relieving runny nose, sneezing, itchy or watery eyes, and itchy throat or nose caused by hay fever, upper respiratory allergies, or the common cold. The alcohol-free, cherry-flavored liquid is gentle on kids and easy to swallow.
This Costco value pack includes two 8 fl oz (472 mL) bottles for a total of 16 fluid ounces. Children ages 6 to 11 may take 5 to 10 mL every 4 to 6 hours, with a maximum of 6 doses in 24 hours. Not for use in children under 2 years of age; consult a doctor before use in children ages 2 to 5. An enclosed dosing cup is included for accurate measurement. This product is FSA/HSA eligible.