The recommended dosage of Benadryl 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 the topical forms of the drug, dosing may vary depending on the particular product. Generally, a small amount of the product is applied to the skin no more than three or four times daily.
Benadryl Dosage: An Introduction
The recommended dose of Benadryl® (diphenhydramine hydrochloride) will vary, depending on a number of factors, including:
- The particular product
- The medical condition being treated
- Your age
- How you respond to Benadryl
- Other medications you are taking
- Other medical conditions you may have.
As is always the case, do not adjust your dosage unless your healthcare provider specifically instructs you to do so.