Drug Interaction Report

Sertraline and Tilidine: 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 record
+

Tilidine

No brand names on record
Dr. Brian Staiger, PharmD, BCPS
Medically reviewed by
Updated Jul 2, 2026
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Interaction severity
Major
Potentially serious — often needs a change or close monitoring.
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.

Of 532 documented Sertraline interactions, 477 are rated major — including this one.
Worried about symptoms right now? Contact your pharmacist or prescriber, or call Poison Control at 1-800-222-1222 (US). Call 911 for an emergency.
At a glance + Theoretical Effects may be stronger
The Bottom Line
Combining sertraline and tilidine can add up serotonin activity and, though the risk is mainly theoretical, watch for serotonin syndrome symptoms and report them; keep taking both as prescribed unless your care team tells you otherwise.

Sertraline is an antidepressant that raises serotonin, a natural chemical in your brain. Tilidine is an opioid pain medicine that can also add to serotonin activity. When you take both, that extra serotonin can build up and, in rare cases, lead to a reaction called serotonin syndrome.

Watch for things like agitation, a fast heartbeat, sweating, shaking, muscle twitching, or feeling very restless, especially when you first start either drug or after a dose goes up. This concern is based on how the drugs work rather than lots of reports, so try not to worry. Your care team can manage this safely, so keep taking both as prescribed and let your pharmacist or doctor know if you feel off.

Mechanism: additive serotonergic effects. Sertraline (SSRI) increases synaptic serotonin; tilidine, an opioid analgesic, has serotonergic activity, so combined use raises the theoretical risk of serotonin syndrome. This is a pharmacodynamic (PD) interaction, not a PK/enzyme-based one, and neither agent's activation status changes the direction.

  • Direction: additive, increased serotonergic effect
  • Severity: major; evidence: theoretical
  • Onset: unspecified; highest risk at initiation and dose escalation

Management: monitor for clonus, hyperreflexia, autonomic instability, agitation, hyperthermia. If serotonin syndrome is suspected, discontinue serotonergic agents immediately and provide supportive care.

Onset
unspecified
Evidence
theoretical
Severity
Major

What happens

An increased risk of serotonin syndrome

Interaction Deep Dive

Taking sertraline together with this drug may raise the likelihood of serotonin syndrome. Watch patients carefully for signs of serotonin syndrome, particularly when starting therapy and when doses are raised. If serotonin syndrome is suspected, stop sertraline along with any other serotonergic agents right away and begin supportive care1.

Why it happens (mechanism)

Additive serotonergic effects

How to manage this interaction

Your care team can manage this combination safely. Typically they will:

  • Watch you more closely for signs of serotonin syndrome, especially when you start either drug or when a dose is increased.
  • Adjust and individualize therapy if needed, based on how you respond.
  • Act quickly if symptoms appear, which may include stopping the serotonergic medicines and giving supportive treatment.

What you should do: keep taking both medicines exactly as prescribed unless told otherwise. Report symptoms like agitation, confusion, rapid heartbeat, heavy sweating, shivering, muscle twitching, or fever to your pharmacist or prescriber. If symptoms come on suddenly or feel severe, seek urgent care.

Management is individual — confirm any change with your pharmacist or prescriber.

Common questions

Can I take Sertraline and Tilidine together?

Combining sertraline and tilidine can add up serotonin activity and, though the risk is mainly theoretical, watch for serotonin syndrome symptoms and report them; keep taking both as prescribed unless your care team tells you otherwise. Always confirm with your pharmacist or prescriber before making any change.

How serious is the Sertraline and Tilidine 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 Tilidine interaction managed?

Your care team can manage this combination safely. Typically they will: Watch you more closely for signs of serotonin syndrome, especially when you start either drug or when a dose is increased. Adjust and individualize therapy if needed, based on how you respond. Act quickly if symptoms appear, which may include stopping the serotonergic medicines and giving supportive treatment. What you should… Management is individual — always follow your own care team's guidance.

How strong is the evidence for this interaction?

The evidence is graded "theoretical". Predicted from the drugs' pharmacology; not yet confirmed in people.

Questions for your pharmacist

  • Does my dose of Sertraline or Tilidine 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 (1)

  1. Product Information: ZOLOFT oral tablets, oral solution, sertraline hydrochloride oral tablets, oral solution. Viatris Specialty LLC (per FDA), Morgantown, WV, 2023. DailyMed
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Beyond drug–drug

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This information is for education, not a substitute for professional medical advice. Do not start, stop, or change any medication without talking to your pharmacist or prescriber.