Aleve PM Side Effects
Generic name: diphenhydramine / naproxen
Medically reviewed by Drugs.com. Last updated on Sep 3, 2023.
Note: This document provides detailed information about Aleve PM.
Applies to diphenhydramine / naproxen: oral tablet Side Effects associated with diphenhydramine / naproxen. Some dosage forms listed on this page may not apply specifically to the brand name Aleve PM.
Applies to diphenhydramine / naproxen: oral tablet.
Precautions
It is very important that your doctor check your or your child's progress at regular visits to make sure that this medicine is working properly and to check for unwanted effects.
If your or your child's symptoms do not improve (eg, pain for more than 10 days or trouble sleeping for more than 2 weeks), or if they become worse, check with your doctor.
Using this medicine during the later part of a pregnancy can harm your unborn baby. If you think you have become pregnant while using the medicine, tell your doctor right away.
This medicine may raise your risk of having a heart attack, heart failure, or stroke. This is more likely in people who already have heart disease or in people who use this medicine for a longer time.
This medicine may cause bleeding in your stomach. This problem can happen without warning signs. This is more likely if you have had a stomach ulcer in the past, if you smoke or drink alcohol regularly, if you are over 60 years of age, are in poor health, or are using certain other medicines (eg, steroid medicine, blood thinner).
This medicine may cause some people to become drowsy. Even if taken at bedtime, it may cause some people to feel drowsy or less alert on arising. Make sure you know how you react to this medicine before you drive, use machines, or do anything else that could be dangerous if you are not alert.
Do not take other medicines unless they have been discussed with your doctor. This includes prescription or non-prescription (over-the-counter [OTC]) medicines and herbal or vitamin supplements.
Serious side effects of Aleve PM
Along with its needed effects, diphenhydramine/naproxen may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor immediately if any of the following side effects occur while taking diphenhydramine / naproxen:
Incidence not known
- bloody or black, tarry stools
- chest pain, discomfort, or tightness
- confusion
- constipation
- decreased urine output
- diarrhea
- difficulty in speaking
- dilated neck veins
- double vision
- headache
- heartburn
- inability to move the arms, legs, or facial muscles
- inability to speak
- indigestion
- irregular breathing
- irregular heartbeat
- nausea
- pain or discomfort in the arms, jaw, back, or neck
- severe stomach pain
- slow speech
- stomach cramping or burning
- sweating
- swelling of the face, fingers, feet, or lower legs
- trouble breathing
- vomiting
- vomiting of blood or material that looks like coffee grounds
- weight gain
Other side effects of Aleve PM
Some side effects of diphenhydramine / naproxen may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.
Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:
Incidence not known
For healthcare professionals
Applies to diphenhydramine / naproxen: oral tablet.
General adverse events
The manufacturer has not provided adverse event information.[Ref]
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References
1. (2002) "Product Information. Benadryl (diphenhydramine)." Parke-Davis
2. (2002) "Product Information. Naprosyn (naproxen)." Syntex Laboratories Inc
3. (2020) "Product Information. Diphenhydramine Hydrochloride-Naproxen Sodium (diphenhydramine-naproxen)." Amneal Pharmaceuticals LLC
Frequently asked questions
More about Aleve PM (diphenhydramine / naproxen)
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- FDA approval history
- Drug class: analgesic combinations
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Further information
Aleve PM side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
Note: Medication side effects may be underreported. If you are experiencing side effects that are not listed, submit a report to the FDA by following this guide.