This medicine is used for the following purposes:
- allergic reaction
- allergy symptoms
- coughing
- motion sickness
- nausea and vomiting
- Parkinson's disease
- skin inflammation
- sleeping
Brand Name(s): Benadryl, Unisom Sleep, Wal-Dryl Allergy, Wal-Sleep Z
Generic Name: Diphenhydramine
Instructions
Chew the tablet or let it dissolve in the mouth and then swallow.
This medicine may be taken with or without food.
Store at room temperature away from heat, light, and moisture. Do not keep in the bathroom.
Drink plenty of water while on this medicine.
This medicine can make you sensitive to the sun. Use sunscreen or protective clothing when in sun.
Drug interactions can change how medicines work or increase risk for side effects. Tell your health care providers about all medicines taken. Include prescription and over-the-counter medicines, vitamins, and herbal medicines. Speak with your doctor or pharmacist before starting or stopping any medicine.
Tell your doctor if symptoms do not get better or if they get worse.
Cautions
Tell your doctor and pharmacist if you ever had an allergic reaction to a medicine.
Do not use the medication any more than instructed.
This medicine may cause dizziness or fainting. Do not stand or sit up quickly.
If possible, avoid using with alcohol, marijuana, or other medicines that can cause dizziness or drowsiness. These include allergy/cold products, muscle relaxers, sleep aids, and pain relievers.
Your ability to stay alert or to react quickly may be impaired by this medicine. Do not drive or operate machinery until you know how this medicine will affect you.
Call the doctor if there are any signs of confusion or unusual changes in behavior.
This medicine passes into breast milk. Ask your doctor before breastfeeding.
During pregnancy, this medicine should be used only when clearly needed. Talk to your doctor about the risks and benefits.
Do not use this medicine with any other medicines containing diphenhydramine. This includes medicines taken by mouth or used on the skin.
Side Effects
The following is a list of some common side effects from this medicine. Please speak with your doctor about what you should do if you experience these or other side effects.
- blurry vision
- constipation
- dizziness or drowsiness
- dry mouth
Call your doctor or get medical help right away if you notice any of these more serious side effects:
- confusion
- hallucinations (unusual thoughts, seeing or hearing things that are not real)
- fast or irregular heart beats
- mood changes
- seizures
- difficulty or discomfort urinating
A few people may have an allergic reaction to this medicine. Symptoms can include difficulty breathing, skin rash, itching, swelling, or severe dizziness. If you notice any of these symptoms, seek medical help quickly.
Please speak with your doctor, nurse, or pharmacist if you have any questions about this medicine.
IMPORTANT NOTE: This document tells you briefly how to take your medicine, but it does not tell you all there is to know about it. Your doctor or pharmacist may give you other documents about your medicine. Please talk to them if you have any questions. Always follow their advice.
There is a more complete description of this medicine available in English. Scan this code on your smartphone or tablet or use the web address below. You can also ask your pharmacist for a printout. If you have any questions, please ask your pharmacist.
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More information about DIPHENHYDRAMINE - ORAL
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Selected from data included with permission and copyright by First DataBank, Inc. This copyrighted material has been downloaded from a licensed data provider and is not for distribution, except as may be authorized by the applicable terms of use.
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. The display and use of this drug information is subject to express Terms of Use.
