Last reviewed: July 16, 2026. This article is for general information and does not replace advice from a licensed clinician.
Editorial review and sources
Editorial review: osvilt.com Editorial Team
Last reviewed: July 16, 2026
This medical article is based on current public medical sources and follows the osvilt.com Medical Review Policy. It is for general information only and does not replace professional care; see our Medical Disclaimer.
Ibuprofen and Nise (nimesulide) are both nonsteroidal anti-inflammatory drugs, but they are not interchangeable. The safer comparison is not which is stronger, but which risks matter for the person, the country where the drug is approved, the dose, and the reason for pain or fever.
Short answer: Ibuprofen is widely used for pain, fever and inflammation, while systemic nimesulide is restricted or unavailable in many places because of liver-safety concerns. Do not combine NSAIDs, avoid long self-treatment, and ask a clinician if you have liver, kidney, stomach, heart, blood pressure, pregnancy or anticoagulant issues.
What changed in this update
The article no longer frames the choice as a simple strength contest. It now highlights that nimesulide has specific liver-toxicity concerns and that all NSAIDs can cause gastrointestinal, kidney and cardiovascular harms.
Side-by-side comparison
| Point | Ibuprofen | Nise / nimesulide |
|---|---|---|
| Drug class | NSAID used for pain, fever and inflammation. | NSAID used in some countries for acute pain where approved. |
| Main concern | Stomach bleeding, kidney strain, blood pressure, heart/stroke risk, asthma-sensitive NSAID allergy. | Same NSAID risks plus a stronger regulatory focus on liver injury. |
| Regulatory context | Available in many countries OTC or prescription depending on dose/form. | Restricted or not marketed in several countries; follow local label strictly. |
| Not recommended | Using two NSAIDs together, taking high doses, long courses without review, or using after 29 weeks of pregnancy unless specifically directed. | |
Why nimesulide deserves extra caution
EMA concluded that systemic nimesulide was associated with increased liver-toxicity risk compared with other anti-inflammatory treatments and restricted its use. LiverTox also treats nimesulide as a clinically important cause of drug-induced liver injury.
Shared NSAID risks
Ibuprofen and nimesulide can both irritate the stomach, worsen kidney function, raise blood pressure, interact with anticoagulants and increase cardiovascular risk in susceptible people. DailyMed NSAID medication guidance warns about stomach bleeding and use around heart attack or bypass surgery.
How to choose safely
For mild short-term pain, use the lowest effective dose for the shortest time and follow the label. For severe, recurrent, unexplained or inflammatory pain, the diagnosis matters more than swapping NSAIDs.
When to get medical care
Get medical help urgently for black stool, vomiting blood, chest pain, shortness of breath, weakness on one side, severe allergic reaction, yellow skin or eyes, dark urine, severe stomach pain, reduced urination, swelling, pregnancy with pain/fever, or fever/pain that persists or worsens.
FAQ
Can I take ibuprofen and Nise together?
No, not unless a clinician specifically instructs it. Combining NSAIDs increases harm without reliably improving benefit.
Is Nise stronger than ibuprofen?
Not in a way that makes it automatically safer or better. Nimesulide has liver-safety restrictions that matter.
Which is safer for fever?
It depends on age, pregnancy, kidney/liver/stomach/heart risks and local approval. Ibuprofen is common, but acetaminophen/paracetamol may be preferred for some people.
