Containing 12.5 milligrams of the antihistamine diphenhydramine HCl 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 children effective allergy relief from year-round and seasonal allergy symptoms with this over-the-counter liquid allergy medicine for kids. 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. 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. Use these benadryl dosage guides for infants and children younger than 12 years old. Containing 12.5 milligrams of the antihistamine diphenhydramine HCI in each 5 milliliter serving, this liquid allergy medicine for kids relieves symptoms due to hay fever and other upper respiratory allergies, including runny nose, sneezing, itchy nose, itchy throat, and itchy, watery eyes. There are other medicines like diphenhydramine that might be safer for young children. The table* below can help you figure out the right amount of diphenhydramine to give. Use your child's weight to decide on the right amount. You can find the weight in the top row of the chart. Children's Benadryl Allergy Chewables provide temporary relief from allergy symptoms for your child, such as runny nose, sneezing, itching of nose and throat, and itchy, watery eyes. Great for on-the-go relief, Children's Benadryl Allergy Chewable Tablets in a kid-friendly grape flavor provide temporary relief from allergy symptoms for your child, such as runny nose, sneezing, itchy nose and throat, and itchy, watery eyes. It is tempting to use Benadryl to help a restless child sleep, especially on a long flight or during a bout of illness. However, the American Academy of Pediatrics (AAP) strongly advises against this.