Allergies Home > Benadryl Dosage

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.
 

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.
 

Topical Benadryl for Skin Itching and Pain

For Benadryl cream, spray, stick, or gel, a small amount of the product should be applied to the skin no more than three or four times daily. Do not use these products on children under the age of two. Do not use these products in combination with any other diphenhydramine product (including oral Benadryl products). Do not use these products over a large area of the body.
 

Benadryl for Other Uses

For any other use, it is recommended that you consult your healthcare provider before taking Benadryl.
 
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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