Sertraline and Hydromorphone: 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
Hydromorphone
Sertraline
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 both hydromorphone (a strong pain medicine) and sertraline (an antidepressant). Both can raise levels of a brain chemical called serotonin. When two medicines do this together, there's a small chance of a reaction called serotonin syndrome.
Signs to watch for include agitation or confusion, a fast heartbeat, sweating, shivering, muscle twitching or stiffness, and shaking. This is uncommon, and many people take these two together safely. The risk is highest when you first start either drug or when a dose changes. Your care team can manage this by keeping a closer eye on you. If you notice those symptoms, contact your doctor right away.
Effect: Additive serotonergic activity from hydromorphone plus sertraline (an SSRI) may increase the risk of serotonin syndrome.
- Mechanism: Additive central serotonergic effects (PD interaction), not a CYP-mediated PK change.
- Direction: Increased serotonergic tone; risk of toxicity.
- Evidence: Theoretical, based on case reports with opioids and serotonergic agents; severity rated major.
- Onset: Unspecified; highest during initiation and dose titration.
- Management: Co-use is acceptable when clinically needed. Monitor for autonomic instability, neuromuscular abnormalities (clonus, hyperreflexia, rigidity), and altered mental status. Discontinue hydromorphone and treat if serotonin syndrome is suspected.
What happens
Increased risk of serotonin syndrome
Interaction Deep Dive
Serotonin syndrome has occurred when opioids like HYDROmorphone are taken together with serotonergic agents. When such combined use is necessary, monitor the patient closely, especially when starting therapy and when doses are being modified. If serotonin syndrome is suspected, stop HYDROmorphone. Reports of serotonin syndrome, which can be life-threatening, have arisen with the concurrent administration of opioids and serotonergic drugs132.
Why it happens (mechanism)
Additive serotonergic effects
How to manage this interaction
If your prescriber has you on both, the goal is safe monitoring, not stopping either drug on your own.
- Keep taking both as prescribed unless your doctor tells you otherwise.
- Be extra alert when you first start either medicine or when a dose changes, since that's when risk is highest.
- Watch for confusion, agitation, fast heartbeat, heavy sweating, shivering, muscle twitching or stiffness, or shaking.
- Get medical help promptly if several of these appear together.
Your care team may monitor you more closely and can adjust and individualize your treatment. Ask your pharmacist or doctor if you have questions about what to look for.
Management is individual — confirm any change with your pharmacist or prescriber.
Literature reports
1 report — tap to read
Common questions
Can I take Sertraline and Hydromorphone together?
Taking hydromorphone with sertraline can slightly raise the risk of serotonin syndrome, so watch for symptoms like agitation, sweating, fast heartbeat, and muscle twitching, especially when starting or changing a dose, and get help if they appear. Always confirm with your pharmacist or prescriber before making any change.
How serious is the Sertraline and Hydromorphone 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 Hydromorphone interaction managed?
If your prescriber has you on both, the goal is safe monitoring, not stopping either drug on your own. Keep taking both as prescribed unless your doctor tells you otherwise. Be extra alert when you first start either medicine or when a dose changes, since that's when risk is highest. Watch for confusion, agitation, fast heartbeat, heavy sweating, shivering, muscle twitching or stiffness, or shakin… 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.
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 Hydromorphone 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 (3)
- Product Information: EXALGO(R) oral extended-release tablets, hydromorphone HCl oral extended-release tablets. SpecGx LLC (per FDA), Webster Groves, MO, 2019. DailyMed
- Product Information: DILAUDID(R) intravenous injection, intramuscular injection, subcutaneous injection, hydromorphone HCl intravenous injection, intramuscular injection, subcutaneous injection. Fresenius Kabi. (per FDA), Lake Zurich, IL, 2023. DailyMed
- Product Information: DILAUDID(R) oral tablets, oral solution, hydromorphone HCl oral tablets, oral solution. Rhodes Pharmaceuticals LP (per FDA), Wilson, NC, 2023. DailyMed
Keep reading about Hydromorphone
Keep reading about Sertraline
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