Sertraline and Parecoxib: 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 recordParecoxib
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.
You've been prescribed sertraline (an antidepressant) along with parecoxib (an anti-inflammatory painkiller). Used together, these two can raise your risk of bleeding. Sertraline lowers the amount of serotonin in your platelets, the tiny cells that help your blood clot, and parecoxib can irritate the stomach lining. Put together, that means a higher chance of things like nosebleeds, easy bruising, or stomach bleeding.
This is a well-documented interaction, so it's worth taking seriously, but it's very manageable. Watch for signs like black or bloody stools, unusual bruising, or a bad headache. Your care team can adjust the plan, so please talk with your pharmacist or doctor.
Effect: Additive bleeding risk (GI and intracranial hemorrhage) with concurrent SSRI and NSAID (COX-2 inhibitor) use.
Mechanism: Sertraline depletes platelet serotonin, impairing platelet aggregation; parecoxib adds antihemostatic/GI mucosal effects. Neither drug is a prodrug relevant to this PD interaction; this is a pharmacodynamic, not PK, interaction.
Evidence: Established. Severity: Major. Onset unspecified.
Management:
- Monitor for epistaxis, ecchymosis, petechiae, hematoma, and GI bleeding, particularly in elderly patients or those with prior ulcers.
- Consider acetaminophen for analgesia, an antidepressant with less serotonin reuptake inhibition, or gastroprotective prophylaxis (eg, PPI).
What happens
An increased risk of bleeding
Interaction Deep Dive
Combining NSAIDs with antidepressants, SSRIs among them, warrants caution because it raises the likelihood of intracranial hemorrhage1 and gastrointestinal (GI) bleeding 6. Reported bleeding episodes have encompassed epistaxis, ecchymosis, hematoma, petechiae, and hemorrhages that are life-threatening 5. In patients receiving an SSRI together with an NSAID, watch carefully for indications of adverse events such as GI bleeds, particularly among elderly individuals and those with a prior history of GI ulcers. Options to consider include alternative approaches to pain control (for example, acetaminophen), reassessment of the selected antidepressant (that is, opting for agents that inhibit serotonin reuptake to a lesser degree), or the addition of prophylactic antiulcer medication 4.
Why it happens (mechanism)
Depletion of platelet serotonin by SSRI; additive effects on hemostasis
How to manage this interaction
If both are prescribed together, keep taking them as directed unless your prescriber tells you otherwise. Your care team can manage this safely.
What your team may do:
- Monitor you more closely for bleeding, especially if you are older or have had stomach ulcers.
- Consider a different pain option such as acetaminophen.
- Review your antidepressant choice, or add a stomach-protecting medicine to lower bleeding risk.
What to do: Tell your pharmacist or doctor right away if you notice black or bloody stools, vomit that looks like coffee grounds, unusual bruising, ongoing nosebleeds, or a severe headache.
Management is individual — confirm any change with your pharmacist or prescriber.
Literature reports
4 reports — tap to read
a) Taking NSAIDs together with antidepressants, including tricyclic antidepressants, SSRIs, serotonin-norepinephrine reuptake inhibitors, and MAOIs, produced a 60% higher risk of intracranial hemorrhage within 30 days of the combined use compared with using an antidepressant alone. No significant difference in the elevated risk was found among the different antidepressant drug classes; however, an increased risk was associated with male patients compared with female patients 1.
b) SSRIs raise the risk of upper gastrointestinal (GI) bleeding, and this effect is intensified by simultaneous use of NSAIDs or low-dose aspirin. Hospitalizations for upper GI bleeding were examined among 26,005 users of antidepressant medications and compared with the number of hospitalizations among patients who were not prescribed antidepressants. The number of upper GI bleeding episodes was 3.6 times greater than anticipated. Concurrent use of an SSRI with NSAIDs or with low-dose aspirin raised the risk to 12.2 and 5.2 times, respectively. These results show an elevated risk of upper GI bleeding during SSRI use. Combining SSRIs with NSAIDs or low-dose aspirin increased that risk further still 5.
c) Two metaanalyses of upper GI bleed events attributable to SSRIs, NSAIDs, and their combination determined 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) Serotonin released by platelets plays an important role in maintaining hemostasis. Case-control and cohort studies have demonstrated that the combined use of SSRIs and NSAIDs has been linked to an increased risk of bleeding 8.
Common questions
Can I take Sertraline and Parecoxib together?
Taking sertraline with parecoxib raises your risk of bleeding, especially in the stomach. Keep taking both as prescribed, watch for signs of bleeding, and ask your pharmacist or doctor about safer pain options or stomach protection. Always confirm with your pharmacist or prescriber before making any change.
How serious is the Sertraline and Parecoxib 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 Parecoxib interaction managed?
If both are prescribed together, keep taking them as directed unless your prescriber tells you otherwise. Your care team can manage this safely. What your team may do: Monitor you more closely for bleeding, especially if you are older or have had stomach ulcers. Consider a different pain option such as acetaminophen. Review your antidepressant choice, or add a stomach-protecting medicine to lower… 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 Parecoxib 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 Parecoxib
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