Acetaminophen, Diphenhydramine
Also sold as Pain Relief PM
From 1 official FDA drug label · RxNorm 1092189
What it is used for
These are the uses the FDA has approved for this label. Using it for anything else is “off-label”: ask your prescriber why.
Uses: temporary relief of occasional headaches and minor aches and pains with accompanying sleeplessness
How to take it
Directions: ■ do not take more than directed (see overdose warning) adults and children 12 years and over ■ take 2 caplets at bedtime ■ do not take more than 2 caplets in 24 hours unless directed by a doctor ■ children under 12 years do not use
Do not take it if
Do Not use ■ with any other drug containing acetaminophen (prescription or nonprescription). If you are not sure whether a drug contains acetaminophen, ask a doctor or pharmacist ■ with any other product containing diphenhydramine, even one used on skin ■ in children under 12 years of age ■ if you have ever had an allergic reaction to this product or any of its ingredients.
Ask a doctor or pharmacist before using it if
Ask a doctor before use if you have: ■ liver disease ■ glaucoma ■ a breathing problem such as emphysema or chronic bronchitis ■ trouble urinating due to an enlarged prostate gland.
Serious warnings and precautions
Warnings: Liver warning: This product contains acetaminophen. Severe liver damage may occur if you take ■ more than 4,000 mg of acetaminophen in 24 hrs ■ with other drugs containing acetaminophen ■ 3 or more alcoholic drinks every day while using this product. Allergy alert: acetaminophen may cause severe skin reactions. Symptoms may include: ■ skin reddening ■ blisters ■ rash. If a skin reaction occurs, stop use and seek medical help right away.
When using this product
When using this product ■ drowsiness will occur ■ avoid alcoholic drinks ■ do not drive a motor vehicle or operate machinery.
Stop using it and ask a doctor if
Stop use and ask a doctor if ■ sleeplessness persists continuously for more than 2 weeks. Insomnia may be a symptom of serious underlying medical illness. ■ pain gets worse or lasts more than 10 days ■ fever gets worse or lasts more than 3 days ■ redness or swelling is present ■ new symptoms occur. These could be signs of a serious condition.
If you are pregnant or breastfeeding
If pregnant or breast-feeding ask a health professional before use.
Keep out of reach of children
KEEP OUT OF REACH OF CHILDREN Overdose warning: In case of overdose, get medical help or contact Poison Control (1-800-222-1222) right away. Quick medical attention is critical for adults as well as for children even if you do not notice any signs or symptoms.
Reactions people have reported
These are counts from 1 voluntary report to the FDA. They show what has been reported — they are not how common a side effect is, and they do not prove the medicine caused it.
Recalls
Questions to ask your doctor or pharmacist
- Is this the right medicine for my condition, and how long should I take it?
- What side effects should I watch for, and which ones need urgent attention?
- Does this interact with my other medicines, supplements, or alcohol?
- What should I do if I miss a dose or take too much?
Why you can trust this
Everything above comes from official FDA drug labels (openFDA), not written by us. Here are the exact labels used.
- FDA labelPioneer Life Sciences, LLC· version 2· published Dec 29, 2025· retrieved Oct 19, 2026· View this label on DailyMed