Find the recommended amount of Benadryl to give your child based on age and weight using the St. Louis Children's Hospital Benadryl dosage chart. This article explains how to use children’s Benadryl safely and its potential side effects. This allergy medicine for kids contains 12.5 mg of diphenhydramine HCl per dose, an antihistamine that works to help alleviate children's allergy symptoms so they can start feeling more like themselves Available in a kid-friendly cherry flavor, this children's allergy relief syrup is alcohol-free and is intended for ages 6 to 11. Help alleviate your child's indoor and outdoor allergy symptoms with the brand moms turn to first when they first treat their children's upper respiratory allergies. Containing 12.5 milligrams of the antihistamine diphenhydramine HCI per teaspoon (5 mL), this kids' liquid allergy medication relieves symptoms due to upper respiratory allergies, including runny nose, sneezing, itchy nose, itchy throat, and itchy, watery eyes. Give your child the allergy relief they need with our specially formulated medication. Designed to provide effective relief from runny noses, sneezing, itchy, watery eyes, itchy throat or nose, BENADRYL® helps your little ones feel their best. Use these benadryl dosage guides for infants and children younger than 12 years old. Buy Children's Benadryl Allergy Relief Chewable Tablets, Grape, 20 Count at Walmart.com. HSA/FSA eligible, making your health and wellness purchases more manageable Children's Benadryl dosage chart by weight. Safe diphenhydramine dosing for allergies, itching, and hives in children 2 years and older. Give your children effective allergy relief from year-round and seasonal allergy symptoms with this over-the-counter liquid allergy medicine for kids.