Drug Interaction Report

Sertraline and Naratriptan: 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

Naratriptan

No brand names on record
+

Sertraline

No brand names on record
Dr. Brian Staiger, PharmD, BCPS
Medically reviewed by
Updated Jul 2, 2026
LinkedIn
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 + Effects may be stronger
The Bottom Line
Taking naratriptan and sertraline together can raise serotonin levels and, rarely, cause serotonin syndrome. It is often used safely with monitoring, but seek help right away for symptoms like agitation, fast heartbeat, fever, or muscle twitching.

Naratriptan is a migraine medicine and sertraline is an antidepressant. Both raise levels of a brain chemical called serotonin. When you take them together, serotonin can sometimes climb too high, leading to a rare but serious problem called serotonin syndrome.

Warning signs include feeling restless or agitated, a fast heartbeat, sweating, shaking, muscle twitching, fever, confusion, nausea, vomiting, or diarrhea. The good news is that this reaction is uncommon, and many people use these two medicines together safely. Your care team can manage this by watching you closely. If you notice these symptoms, get medical help right away and let your doctor or pharmacist know you take both.

Effect: Additive serotonergic stimulation increases the risk of serotonin syndrome when a triptan (naratriptan) is combined with an SSRI (sertraline). This is a pharmacodynamic interaction, not a CYP-mediated one; neither drug alters the other's clearance.

  • Direction/magnitude: Additive serotonergic effect; observational data estimate 0 to 4 cases per 10,000 person-years.
  • Onset: Delayed (may appear within minutes to hours of a new or increased dose).
  • Evidence: Probable; severity major.
  • Management: Monitor for autonomic instability, neuromuscular abnormalities (clonus, hyperreflexia), and altered mental status. Discontinue naratriptan if serotonin syndrome is suspected.
Onset
delayed
Evidence
probable
Severity
Major

What happens

An increased risk of serotonin syndrome

Interaction Deep Dive

The combination of a 5-hydroxytryptamine receptor agonist (triptan) such as naratriptan with an SSRI has been associated with reported cases of serotonin syndrome, a condition that can be life-threatening3. Over a 14-year study period involving patients who were coprescribed triptans together with either SSRI or serotonin norepinephrine reuptake inhibitor (SNRI) antidepressants, the estimated risk of serotonin syndrome from concurrent use ranged from 0 to 4 cases per 10,000 person-years of exposure2. Presenting features can include restlessness, hallucinations, impaired coordination, rapid heartbeat, sudden fluctuations in blood pressure, elevated body temperature, hyperactive reflexes, nausea, vomiting, and diarrhea. Patients receiving this combination should be observed closely for such symptoms1. If serotonin syndrome is suspected, naratriptan should be discontinued3.

Why it happens (mechanism)

Additive pharmacologic effects resulting in excessive serotonergic stimulation

How to manage this interaction

This combination can be used, but your care team will keep an eye out for a rare reaction called serotonin syndrome. Here is how it is typically handled:

  • Keep taking both as prescribed unless your doctor tells you otherwise, and do not stop either one on your own.
  • Watch for symptoms, especially after starting or increasing a dose: restlessness, fast heartbeat, sweating, muscle twitching or stiffness, fever, confusion, nausea, vomiting, or diarrhea.
  • Seek prompt medical care if these occur; the naratriptan may need to be stopped.

Tell your pharmacist and prescriber that you take both so they can monitor you appropriately.

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

Literature reports

1 report — tap to read

a) A study followed patients who were coprescribed 5-hydroxytryptamine receptor agonists (triptans) together with SSRI or serotonin norepinephrine reuptake inhibitor (SNRI) antidepressants over a 14 year period (n=19,017; total exposure=30,928 person-years), and the risk of serotonin syndrome during concurrent use was found to be 0 to 4 cases per 10,000 person-years of exposure. When only confirmed cases were counted (n=2), and when confirmed cases were combined with possible cases (n=7), the risk of serotonin syndrome with concurrent use was 0.6 (95% CI, 0 to 1.5) and 2.3 (95% CI, 0.6 to 3.9) cases per 10,000 person-years of exposure, respectively. Across the study, an average of 26% (range, 21% to 29%) of patients received triptan prescriptions, including sumatriptan, zolmitriptan, naratriptan, rizatriptan, eletriptan, almotriptan, or frovatriptan, along with a coprescribed SSRI or SNRI antidepressant, including citalopram, fluvoxamine, escitalopram, paroxetine, fluoxetine, sertraline, duloxetine, or venlafaxine 2.

Common questions

Can I take Sertraline and Naratriptan together?

Taking naratriptan and sertraline together can raise serotonin levels and, rarely, cause serotonin syndrome. It is often used safely with monitoring, but seek help right away for symptoms like agitation, fast heartbeat, fever, or muscle twitching. Always confirm with your pharmacist or prescriber before making any change.

How serious is the Sertraline and Naratriptan interaction?

It is rated major. Potentially serious — often needs a change or close monitoring.

How quickly could this interaction happen?

The documented onset is "delayed". Effects tend to build up gradually over days to weeks.

How is the Sertraline and Naratriptan interaction managed?

This combination can be used, but your care team will keep an eye out for a rare reaction called serotonin syndrome. Here is how it is typically handled: Keep taking both as prescribed unless your doctor tells you otherwise, and do not stop either one on your own. Watch for symptoms, especially after starting or increasing a dose: restlessness, fast heartbeat, sweating, muscle twitching or stiffne… Management is individual — always follow your own care team's guidance.

How strong is the evidence for this interaction?

The evidence is graded "probable". Good supporting evidence, though not definitively proven.

Questions for your pharmacist

  • Does my dose of Sertraline or Naratriptan 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)

  1. US Food and Drug Administration: 5-Hydroxytryptamine Receptor Agonists (Triptans) Selective Serotonin Reuptake Inhibitors (SSRIs) Selective Serotonin/Norepinephrine Reuptake Inhibitors (SNRIs) Serotonin Syndrome. US Food and Drug Administration. Rockville, MDAvailable from URL:
  2. Orlova Y, Rizzoli P, & Loder E: Association of coprescription of triptan antimigraine drugs and selective serotonin reuptake inhibitor or selective norepinephrine reuptake inhibitor antidepressants with serotonin syndrome. JAMA Neurol 2018; 75(5):566-572. PubMed
  3. Product Information: AMERGE(R) oral tablets, naratriptan HCl oral tablets. GlaxoSmithKline (per FDA), Research Triangle Park, NC, 2016.
Was this write-up helpful?
Beyond drug–drug

These medications also interact with supplements

Prescription drugs aren't the whole picture — herbal and dietary supplements can interact with them too. From the evidence-graded Natural Medicines database:

major · moderate · minor — check everything you take with our drug–supplement interaction checker.

Check another combination

Our instant two-drug interaction checker is almost here.

Coming soon

The instant two-drug checker is on its way.

In the meantime, browse the directory below to look up any drug and see its documented interactions.

Still have questions about this combination?

Every question gets a real answer from a licensed pharmacist — free, and usually within a day.

Ask the pharmacist
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.