children's benadryl dose
Oral Benadryl for Allergies or Cold Symptoms. The recommended Benadryl dosage for treating allergy or common cold symptoms in adults and children ages 12 years and older is 25 to 50 mg every four to six hours. For children 6 to 12 years old, the recommended dosage is 12.5 to 25 mg every four to six hours.