Skip to main content

PlainMeds guide, sources read October 8, 2026

Pain relievers compared

Four medicines carry most over-the-counter pain relief in the U.S.: acetaminophen, ibuprofen, naproxen and aspirin. Their labels warn about different harms: the liver for acetaminophen, bleeding for the three NSAIDs, and Reye's syndrome in children for aspirin.

How do the four compare on the record?

MedicineGeneric labelersPharmacy costBoxed warningRecalls
Acetaminophen89 labelers$0.0339 per unitYes19
Ibuprofen245 labelers$0.0573 per tabletYes40
Naproxen139 labelers$0.0565 per tabletYes8
Aspirinnone listed$0.0142 per tabletNo1

Source: FDA NDC Directory, CMS NADAC, FDA Enforcement Report via openFDA

What do their labels warn about?

Acetaminophen label

Warnings Liver warning This product contains acetaminophen. Severe liver damage may occur if you take more than 6 caplets in 24 hours, which is the maximum daily amount with other drugs containing acetaminophen 3 or more alcoholic drinks every day while using this product Allergy alert: acetaminophen may cause severe skin reactions.

Ibuprofen label

Stomach bleeding warning: This product contains an NSAID, which may cause severe stomach bleeding. The chance is higher if you: ■ are age 60 or older ■ have had stomach ulcers or bleeding problems ■ ake a blood thinning (anticoagulant) or steroid drug ■ take other drugs containing prescription or nonprescription NSAIDs (aspirin, ibuprofen, naproxen, or others) ■ have 3 or more alcoholic drinks every day while using this product ■ take more or for a longer time than directed Heart attack and stroke warning: NSAIDs except aspirin increase the risk of heart attack, heart failure, and stroke.

Naproxen label

Symptoms may Include: hives facial swelling asthma (wheezing) shock skin reddening rash blisters If an allergic reaction occurs, stop use and seek medical help right away Stomach bleeding warning: This product contains an NSAID, which may cause severe stomach bleeding. The chance is higher if you: are age 60 or older have had stomach ulcers or bleeding problems take a blood thinning (anticoagulant) or steroid drug take other drugs containing prescription or nonprescription NSAIDs (aspirin, ibuprofen, naproxen, or others) have 3 or more alcoholic drinks every day while using this product take m

Aspirin label

Reye's syndrome: Children and teenagers who have or are recovering from chicken pox or flu-like symptoms should not use this product. When using this product, if changes in behavior with nausea and vomiting occur, consult a doctor because these symptoms could be an early sign of Reye's syndrome, a rare but serious illness.

These are the labels' own words, from the label each record quotes. Read the whole label for your product: strengths and forms differ, and many cold and flu products contain one of these medicines too.

Source: FDA drug labels via openFDA

What next?