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furosemide vs misoprostol

Side-by-side comparison of furosemide and misoprostol. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.

minor Known Drug Interaction

Diuretics Clinical Impact: Clinical studies, as well as post-marketing observations, showed that NSAIDs reduced the natriuretic effect of loop diuretics (e.g., furosemide) and thiazide diuretics in some patients.

Recommendation: Your doctor should monitor you to make sure your diuretic is still working to control fluid levels.

Drug Class
furosemide Loop Diuretic
misoprostol Prostaglandin E1 Analog
Type
furosemide Prescription
misoprostol Prescription
Summary
furosemide

Furosemide is a water pill (diuretic). It helps your body get rid of extra water and salt.

misoprostol

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).

What It Treats
furosemide

This medicine treats swelling (edema) from heart failure, liver problems, or kidney disease. It can also treat high blood pressure. Furosemide is helpful when you need a stronger diuretic.

misoprostol

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.

How It Works
furosemide

Furosemide works in your kidneys. It helps your kidneys remove more salt and water from your blood. This lowers the amount of fluid in your body and lowers blood pressure.

misoprostol

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.

Common Side Effects
furosemide
  • Dizziness
  • Headache
  • Blurred vision
  • Nausea
  • Vomiting
misoprostol
  • Abdominal pain
  • Diarrhea
  • Upset stomach
  • Nausea
  • Gas
FAERS Reports
furosemide
  • Difficulty breathing 29,099
  • Tiredness 20,389
  • Diarrhea 19,940
  • Feeling sick to your stomach 18,682
  • Sudden kidney damage 18,530
misoprostol
  • Bleeding 1,258
  • Incomplete miscarriage 1,160
  • Baby exposed to the medicine during pregnancy 625
  • Pain 537
  • Low red blood cell count 511
Serious Warnings
furosemide

Furosemide can cause you to lose too much fluid and electrolytes. This can lead to dehydration, low blood pressure, and kidney problems. Your doctor should check your blood regularly while you are taking this medicine.

misoprostol

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.

Pregnancy
furosemide

Tell your doctor if you are pregnant or plan to become pregnant. Furosemide may not be safe during pregnancy. Talk to your doctor about the risks and benefits of taking this medicine while breastfeeding.

misoprostol

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.

Also Compare, Nearby Drugs

How to Read This furosemide vs misoprostol Comparison

furosemide is classified in the Loop Diuretic 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, furosemide has 106,640 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 minor interaction flagged in FDA labeling, attributed to this combination can prevent your water pill from working correctly, making it harder for your body to get rid of extra salt and fluid.. 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 furosemide 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.