Sertraline and Nimesulide: Interaction Details
AI-assisted, pharmacist-reviewed · AI content regenerated Jul 11, 2026 · Source data updated Jul 2, 2026 · Sources: FDA labeling, DDInter 2.0, cited literature
Sertraline
No brand names on recordNimesulide
No brand names on record
How we grade severity & evidence
Severity levels
- Contraindicated: These should generally not be used together.
- Major: Potentially serious — often needs a change or close monitoring.
- Moderate: Can be significant — usually manageable with monitoring.
- Minor: Usually limited clinical impact.
Evidence grades
- Established: Well documented — supported by controlled studies or strong clinical data.
- Probable: Good supporting evidence, though not definitively proven.
- Suspected: Some evidence suggests this interaction, but it is not well established.
- Possible: Limited or conflicting evidence; the interaction may occur.
- Theoretical: Predicted from the drugs' pharmacology; not yet confirmed in people.
Ratings come from the documented interaction literature and are reviewed by a pharmacist. They describe the documented risk of the combination, not what will necessarily happen to you — your dose, timing, and health picture all matter.
Taking sertraline and nimesulide together can raise your risk of bleeding. Sertraline is an antidepressant (an SSRI). Besides lifting mood, it lowers the amount of serotonin your platelets use to help your blood clot. Nimesulide is an anti-inflammatory pain reliever (an NSAID) that can irritate the stomach lining and also make bleeding easier. Put together, they can add up, especially in the stomach and gut.
Watch for warning signs like black or bloody stools, vomit that looks like coffee grounds, easy bruising, or nosebleeds that won't stop. Please don't stop either medicine on your own. Your care team can manage this safely, so bring it up with your pharmacist or doctor.
Effect: Additive increased bleeding risk (GI bleeding, intracranial hemorrhage, epistaxis, ecchymosis, petechiae).
Mechanism: SSRIs like sertraline deplete platelet serotonin, impairing platelet aggregation; NSAIDs like nimesulide add antiplatelet effect plus direct GI mucosal injury. Pharmacodynamic, not a prodrug or CYP issue.
- Direction: Enhanced bleeding (additive).
- Evidence: Established. Severity: Major. Onset: Unspecified.
- Management: Monitor for GI/other bleeding, especially in elderly or those with prior ulcers. Consider acetaminophen for pain, an antidepressant with less serotonergic activity, or gastroprotection (eg, PPI).
What happens
An increased risk of bleeding
Interaction Deep Dive
Exercise caution when NSAIDs and antidepressants, SSRIs among them, are taken together, given the heightened likelihood of intracranial hemorrhage1 as well as gastrointestinal (GI) bleeding6. Reported bleeding manifestations have ranged from epistaxis, ecchymosis, hematoma, and petechiae to hemorrhages that are life-threatening5. If an SSRI is administered alongside an NSAID, keep the patient under close observation for indications of adverse events such as GI bleeds, particularly in the elderly and in individuals with a prior history of GI ulcers. Alternative approaches to pain control (for instance, acetaminophen) may be considered, the selected antidepressant may be reassessed (that is, weighing agents with a lesser degree of serotonin reuptake inhibition), or antiulcer medications may be prescribed as prophylaxis4.
Why it happens (mechanism)
Depletion of platelet serotonin by SSRI; additive effects on hemostasis
How to manage this interaction
This can be managed, and you should keep taking both as prescribed unless your provider tells you otherwise. Your care team has several options they can tailor to you:
- They may switch pain relief to something like acetaminophen instead of the NSAID.
- They may review your antidepressant and consider one with less effect on serotonin.
- They may add a stomach-protecting medicine (an antiulcer drug) and monitor you more closely, particularly if you are older or have had ulcers.
Call your pharmacist or doctor if you notice black or bloody stools, coffee-ground vomit, unusual bruising, or nosebleeds. Seek urgent care for severe or sudden bleeding.
Management is individual — confirm any change with your pharmacist or prescriber.
Literature reports
4 reports — tap to read
a) Taking NSAIDs together with antidepressants, such as tricyclic antidepressants, SSRIs, serotonin-norepinephrine reuptake inhibitors, and MAOIs, produced a 60% higher risk of intracranial hemorrhage within 30 days of combined use when compared with antidepressant use by itself. No significant difference in the elevated risk was seen among the different antidepressant drug classes; however, male patients carried a greater risk than female patients 1.
b) SSRIs raise the likelihood of upper gastrointestinal (GI) bleeding, and this effect is amplified by simultaneous use of NSAIDs or low-dose aspirin. Hospitalizations for upper GI bleeding were reviewed among 26,005 users of antidepressant medications and compared with the number of hospitalizations in patients who were not prescribed antidepressants. The number of upper GI bleeding events was 3.6 times higher than anticipated. Concurrent use of an SSRI with NSAIDs or low-dose aspirin raised the risk to 12.2 and 5.2 times, respectively. The results of this study show an increased risk of upper GI bleeding while SSRIs are being used. Combining SSRIs with NSAIDs or low-dose aspirin increased that risk even more 5.
c) Two metaanalyses examining cases of upper GI bleed attributable to SSRIs, NSAIDs, and their combination found that SSRIs raised the risk by 1.73 6 to 2.36 times 7, NSAIDs by 2.55 times 6, and the combination of SSRIs and NSAIDs by 4.02 6 to 6.33 times 7.
d) The release of serotonin from platelets plays an important role in preserving hemostasis. Case-control and cohort studies have demonstrated that combined use of SSRIs and NSAIDs has been linked to a higher risk of bleeding 8.
Common questions
Can I take Sertraline and Nimesulide together?
Combining sertraline and nimesulide raises bleeding risk, mainly in the stomach and gut. Keep taking both as prescribed, watch for signs of bleeding, and ask your care team about safer pain options or stomach protection. Always confirm with your pharmacist or prescriber before making any change.
How serious is the Sertraline and Nimesulide interaction?
It is rated major. Potentially serious — often needs a change or close monitoring.
How quickly could this interaction happen?
The documented onset is "unspecified". The timing of this interaction is not well characterized.
How is the Sertraline and Nimesulide interaction managed?
This can be managed, and you should keep taking both as prescribed unless your provider tells you otherwise. Your care team has several options they can tailor to you: They may switch pain relief to something like acetaminophen instead of the NSAID. They may review your antidepressant and consider one with less effect on serotonin. They may add a stomach-protecting medicine (an antiulcer drug) and… Management is individual — always follow your own care team's guidance.
How strong is the evidence for this interaction?
The evidence is graded "established". Well documented — supported by controlled studies or strong clinical data.
From our Q&A
Real reader questions about these medications, each personally answered by our pharmacist:
Questions for your pharmacist
- Does my dose of Sertraline or Nimesulide need adjusting while I take them together?
- What symptoms should prompt me to call you or my prescriber right away?
- Does the timing of my doses matter for this combination?
- Is there a safer alternative to one of these medications for me?
References (8)
- Shin JY, Park MJ, Lee SH, et al: Risk of intracranial haemorrhage in antidepressant users with concurrent use of non-steroidal anti-inflammatory drugs: nationwide propensity score matched study. BMJ 2015; 351:h3517. PubMed
- Product Information: VIMOVO(TM) delayed release oral tablets, naproxen and esomeprazole magnesium delayed release oral tablets. AstraZeneca LPW, Wilmington, DE, 2010. DailyMed
- Product Information: SPRIX(TM) nasal spray, ketorolac tromethamine nasal spray. Roxro Pharma, Inc, Menlo Park, CA, 2009. DailyMed
- Mort JR, Aparasu RR, & Baer RK: Interaction between selective serotonin reuptake inhibitors and nonsteroidal antiinflammatory drugs: review of the literature. Pharmacotherapy 2006; 26(9):1307-1313. PubMed
- Dalton S, Johansen C, Mellemkjoer L, et al: Use of selective serotonin reuptake inhibitors and risk of upper gastrointestinal tract bleeding. Arch Intern Med 2003; 163:59-64. DOI
- Oka Y, Okamoto K, Kawashita N, et al: Meta-analysis of the risk of upper gastrointestinal hemorrhage with combination therapy of selective serotonin reuptake inhibitors and non-steroidal anti-inflammatory drugs. Biol Pharm Bull 2014; 37(6):947-953. PubMed
- Loke YK, Trivedi AN, & Singh S: Meta-analysis: gastrointestinal bleeding due to interaction between selective serotonin uptake inhibitors and non-steroidal anti-inflammatory drugs. Aliment Pharmacol Ther 2008; 27(1):31-40. PubMed
- Product Information: CELEXA(R) oral tablets, citalopram oral tablets. Allergan USA Inc (per FDA), Madison, NJ, 2023. DailyMed
Keep reading about Sertraline
Keep reading about Nimesulide
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