diflunisal vs etodolac
Side-by-side comparison of diflunisal and etodolac Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
Dolobid
Lodine
Diflunisal is a medicine that can help with pain and swelling. It belongs to a class of drugs called NSAIDs.
Etodolac is a pain reliever and anti-inflammatory medicine. It helps reduce pain, swelling, and stiffness caused by arthritis and other conditions.
Diflunisal can help with mild to moderate pain. It can also treat the symptoms of osteoarthritis and rheumatoid arthritis. You should use the lowest dose that works for you, for the shortest time needed.
Etodolac treats the symptoms of osteoarthritis and rheumatoid arthritis. It can help with pain and swelling in your joints. Etodolac is also used for short-term relief of acute pain.
Diflunisal reduces pain and swelling by blocking the production of certain chemicals in your body. These chemicals cause inflammation and pain. By blocking them, diflunisal helps to relieve your symptoms.
Etodolac is an NSAID, which stands for Nonsteroidal Anti-Inflammatory Drug. It works by reducing substances in the body that cause pain and inflammation. It can help to reduce fever as well.
- • Nausea
- • Vomiting
- • Upset stomach
- • Stomach pain
- • Diarrhea
- • Upset stomach
- • Constipation
- • Diarrhea
- • Gas
- • Heartburn
- Feeling sick to your stomach 66
- Feeling very tired 57
- Discomfort or aching 50
- Allergic reaction to the medicine 47
- Pain in your head 45
- The medicine is not working 362
- Pain 350
- Feeling sick to your stomach 290
- Joint pain 284
- Tiredness 273
NSAIDs like diflunisal can increase your risk of heart problems like heart attack and stroke, which can be deadly. This risk is higher if you take it for a long time. You should not take diflunisal if you are having heart bypass surgery. NSAIDs also raise your risk of serious stomach problems like bleeding and ulcers, which can also be deadly. Older adults are at higher risk for these stomach problems.
NSAIDs like etodolac can increase your risk of heart attack or stroke, which can be fatal. This risk may happen early in treatment and increases with longer use. You should not take etodolac if you are having heart bypass surgery. NSAIDs also increase the risk of serious stomach problems like bleeding and ulcers, which can be fatal. Older adults are at higher risk for these stomach problems.
Tell your doctor if you are pregnant or plan to become pregnant. Taking diflunisal late in pregnancy may harm your baby. It is not known if diflunisal passes into breast milk, so talk to your doctor before breastfeeding.
Talk to your doctor if you are pregnant, plan to become pregnant, or are breastfeeding. Etodolac may harm your unborn baby. It is not known if etodolac passes into breast milk.
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How to Read This diflunisal vs etodolac Comparison
diflunisal is classified in the Nonsteroidal Anti-Inflammatory Drug (NSAID) drug class, while etodolac 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 prescription-only, so a licensed provider must authorize use.
Adverse event totals above are pulled from the FDA's Adverse Event Reporting System (FAERS). For these top-ranked reactions alone, diflunisal has 265 submissions while etodolac has 1,559. 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 diflunisal and etodolac — 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.