diflunisal vs misoprostol
Side-by-side comparison of diflunisal and misoprostol. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
moderate Known Drug Interaction
NSAIDs and Salicylates Clinical Impact: Concomitant use of diclofenac with other NSAIDs or salicylates (e.g., diflunisal, salsalate) increases the risk of GI toxicity, with little or no increase in efficacy [see Warnings and Precautions (5.3) ].
Recommendation: Avoid taking these two medications together because they increase the risk of stomach problems. Your doctor may suggest using only one of them.
Dolobid
Cytotec
Diflunisal is a medicine that can help with pain and swelling. It belongs to a class of drugs called NSAIDs.
Diclofenac sodium/misoprostol is a combination drug used to treat arthritis symptoms while protecting your stomach from ulcers. It contains an anti-inflammatory (diclofenac) and a stomach protector (misoprostol).
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.
This medicine treats the symptoms of osteoarthritis or rheumatoid arthritis in adults. It is for people who have a high risk of getting stomach and duodenal ulcers from anti-inflammatory drugs (NSAIDs). It helps to reduce pain and swelling in your joints.
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.
Diclofenac reduces pain and inflammation. Misoprostol helps protect your stomach lining from ulcers that can be caused by diclofenac. It does this by acting like a natural substance (prostaglandin) that protects the stomach.
- • Nausea
- • Vomiting
- • Upset stomach
- • Stomach pain
- • Diarrhea
- • Abdominal pain
- • Diarrhea
- • Upset stomach
- • Nausea
- • Gas
- 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
- Bleeding 1,258
- Incomplete miscarriage 1,160
- Baby exposed to the medicine during pregnancy 625
- Pain 537
- Low red blood cell count 511
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.
This medicine can cause serious problems: * **Risk of Uterine Rupture, Abortion, Premature Birth, and Birth Defects:** Do not take this medicine if you are pregnant. It can cause your uterus to rupture, cause a miscarriage, premature birth, or birth defects. * **Heart Problems:** NSAIDs like diclofenac increase the risk of heart attack and stroke, which can be deadly. This risk can happen early in treatment and increases with longer use. Do not take this medicine if you are having heart bypass surgery. * **Stomach Problems:** NSAIDs increase the risk of stomach bleeding, ulcers, and holes in the stomach or intestines, which can be deadly. These problems can happen without warning. The risk is higher in older adults and people with a history of ulcers or stomach bleeding.
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.
Do not take this medicine if you are pregnant. It can cause serious harm to your unborn baby, including miscarriage, premature birth, or birth defects. Talk to your doctor about using effective birth control while taking this medicine.
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How to Read This diflunisal vs misoprostol Comparison
diflunisal is classified in the Nonsteroidal Anti-Inflammatory Drug (NSAID) drug class, while misoprostol sits within the Prostaglandin E1 Analog class. Drugs from different classes work through distinct mechanisms, so a head-to-head comparison illustrates trade-offs rather than equivalence. 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 misoprostol has 4,091. Those figures reflect cumulative reporting volume, not per-patient risk, so older, widely dispensed drugs typically look worse on count alone. These two drugs have a known moderate interaction flagged in FDA labeling, attributed to taking these two drugs together increases the risk of stomach and intestinal damage without providing extra benefits. both drugs belong to a class that can irritate the digestive tract.. 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 misoprostol - 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.