Children's Allergy Liquid, Bubble Gum Flavor, 4 oz, QC96602 Sale! This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Compare to the Active Ingredient in Children's Benadryl. Temporarily relieves symptoms due to hay fever or other upper respiratory allergies including sneezing, runny nose, itchy watery eyes, itching of the nose or throat. For ages 6 to 11 years. Alcohol-free Bubble gum flavor.