IMPORTANT NOTE: The following information is intended to supplement, not substitute for, the expertise and judgment of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that use of the drug is safe, appropriate or effective for you. Consult your healthcare professional before using this drug.
Table of Contents
- Uses and How to Use
- Precautions and Side Effects
- Medication Interactions
- Dosage and Storage
- Medication Images
Pronounced: (dye-fen-HI-druh-meen)
Benadryl Extra Strength Top Precautions
Before using this product, tell your doctor or pharmacist if you are allergic to diphenhydramine; or to any of the other ingredients listed on the product package; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially if you are self-treating:
- chickenpox
- measles
Though very unlikely, it is possible this medication could be absorbed into your blood. Children using this drug for an extended time over large areas of the skin (especially areas with broken skin) may be at higher risk, especially if they also are using other diphenhydramine products taken by mouth or applied to the skin. Stop using this product and tell the doctor immediately if any of the following serious side effects occur:
- enlarged pupils in the eyes
- face flushing
- mental/mood changes (such as hallucinations, unusual excitement, confusion)
- difficulty walking
- difficulty urinating
Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).
During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.
This medication may pass into breast milk. Consult your doctor before breast-feeding.
Benadryl Extra Strength Top Side Effects
Mild stinging may occur. If this effect persists or worsens, stop using this product and tell your doctor or pharmacist promptly.
If your doctor has directed you to use this medication, remember that he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.
A very serious allergic reaction to this drug is unlikely. However, seek immediate medical attention if you notice any symptoms of a serious allergic reaction, including:
- rash
- itching/swelling (especially of the face/tongue/throat)
- severe dizziness
- trouble breathing
This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.
In the US -
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.
Information last revised May 2010
Copyright(c) 2010 First DataBank, Inc.

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