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When using this product:
- marked drowsiness may occur
- avoid alcoholic drinks
- alcohol, sedatives, and tranquilizers may increase drowsiness
- excitability may occur, especially in children
- be careful when driving a motor vehicle or operating machinery
Read the Benadryl (diphenhydramine) Side Effects Center for a complete guide to possible side effects
Ask a doctor or pharmacist before use if you are taking sedatives or tranquilizers.
Read the Benadryl Drug Interactions Center for a complete guide to possible interactions
Last reviewed on RxList: 11/13/2007
This monograph has been modified to include the generic and brand name in many instances.
Additional Benadryl Information
Benadryl - User Reviews
Benadryl User Reviews
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Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
Allergies & Asthma
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