ibuprofen vs oxaprozin
Side-by-side comparison of ibuprofen and oxaprozin Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
Ibuprofen is a drug that can reduce pain and fever. It belongs to a class of drugs called NSAIDs.
Oxaprozin (Daypro) is a nonsteroidal anti-inflammatory drug (NSAID). It helps to reduce pain and swelling.
Ibuprofen can help with minor aches and pains. You can use it for headaches, toothaches, backaches, menstrual cramps, and muscle aches. It can also help with the common cold, minor arthritis pain, and fever.
This medicine can help with the symptoms of osteoarthritis, rheumatoid arthritis, and juvenile rheumatoid arthritis. These conditions can cause pain, swelling, and stiffness in your joints. Oxaprozin can help you feel better by reducing these symptoms.
Ibuprofen works by reducing hormones that cause pain and swelling in the body. It blocks the production of prostaglandins. Prostaglandins contribute to inflammation and pain signals.
Oxaprozin works by reducing substances in the body that cause pain and swelling. It blocks the production of prostaglandins. Prostaglandins contribute to inflammation and pain.
- • Nausea
- • Headache
- • Diarrhea
- • Vomiting
- • Dizziness
- • Constipation
- • Diarrhea
- • Upset stomach
- • Nausea
- • Rash
- Drug not working 24,339
- Pain 18,851
- Tiredness 17,869
- Feeling sick to your stomach 17,349
- Headache 15,814
- Allergic reaction to the drug 386
- Drug not working 178
- Pain 151
- Feeling sick to your stomach 134
- Headache 104
NSAIDs like ibuprofen may increase the risk of serious cardiovascular thrombotic events, myocardial infarction, and stroke, which can be fatal. This risk may increase with duration of use. NSAIDs also increase the risk of serious gastrointestinal adverse events including bleeding, ulceration, and perforation of the stomach or intestines, which can be fatal.
NSAIDs like oxaprozin can increase your risk of heart problems like heart attack and stroke. This risk can happen early in treatment and may increase with longer use. You should not take this medicine if you are having heart bypass surgery. NSAIDs also increase the risk of stomach and intestine problems like bleeding and ulcers, which can be fatal. Older adults and people with a history of stomach ulcers are at higher risk.
Ask a doctor before using if you are pregnant or breastfeeding. NSAIDs like ibuprofen may cause harm to the fetus.
Taking oxaprozin after 20 weeks of pregnancy may harm your baby. Avoid taking this medicine after 30 weeks of pregnancy. Talk to your doctor if you are pregnant or plan to become pregnant.
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How to Read This ibuprofen vs oxaprozin Comparison
ibuprofen is classified in the Nonsteroidal Anti-Inflammatory Drug (NSAID) drug class, while oxaprozin sits within the Nonsteroidal Anti-Inflammatory Drug (NSAID) class. Because both drugs share the same classification, they are often considered interchangeable in theory — but clinical outcomes rarely track that cleanly. Both drugs are split between OTC and prescription status, which affects access and supervision.
Adverse event totals above are pulled from the FDA's Adverse Event Reporting System (FAERS). For these top-ranked reactions alone, ibuprofen has 94,222 submissions while oxaprozin has 953. Those figures reflect cumulative reporting volume — not per-patient risk — so older, widely dispensed drugs typically look worse on count alone. No direct interaction between these two drugs is listed in our FDA-derived dataset, though co-prescription still warrants pharmacist review. Serious warnings, pregnancy guidance, and contraindications can differ even when indications overlap.
A table cannot substitute for clinical judgment. Effectiveness, tolerability, drug-drug interactions with your other medications, kidney and liver function, pregnancy status, insurance formulary, and price all feed into a decision that only a licensed prescriber can make responsibly. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This page is for educational purposes only, is not medical advice, and should not be used to self-switch between ibuprofen and oxaprozin — always consult your physician or pharmacist first.
Important: This comparison is for informational purposes only. Drug effects vary between individuals. Always consult your doctor or pharmacist for personalized medical advice.