Drug Interaction Report

Sultopride and Sertraline: 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
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Sultopride

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 44 documented Sultopride interactions, 44 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
Sertraline and sultopride can each prolong the QT interval, and combining them adds to that risk, so this pairing is generally avoided. Talk with your doctor or pharmacist before changing anything.

Both sertraline (an antidepressant) and sultopride (an antipsychotic) can each affect the timing of your heartbeat. Doctors call this QT prolongation, which just means one part of your heart's electrical cycle takes a little longer to reset. When you take two medicines that both do this, the effect can add up and, rarely, lead to an irregular heartbeat.

This concern is based on how these drugs work rather than lots of real-world reports, but because a heart rhythm problem is serious, it is worth taking seriously. The good news is your care team can manage this easily, often by choosing a different medicine or keeping a closer eye on your heart. Please talk with your doctor or pharmacist before making any changes.

Effect: Additive QT interval prolongation with increased risk of ventricular arrhythmias (including torsades de pointes) when sertraline is combined with sultopride.

Mechanism: Pharmacodynamic, not PK. Both agents independently prolong cardiac repolarization; the effect is additive. Neither is a prodrug relevant here, so this is a PD interaction, not a metabolic one.

  • Direction: Increased QT-prolonging effect.
  • Evidence: Theoretical.
  • Severity: Major.
  • Management: Avoid coadministration where possible. If unavoidable, obtain baseline and follow-up ECGs, correct electrolytes (K+, Mg2+), and monitor for symptoms. Dosing should be individualized by the care team.
Onset
unspecified
Evidence
theoretical
Severity
Major

What happens

An increased risk of QT interval prolongation

Interaction Deep Dive

Because it can raise the likelihood of QT prolongation and/or ventricular arrhythmias, using sertraline together with this drug should be avoided1.

Why it happens (mechanism)

Additive QT interval prolongation

How to manage this interaction

The documented advice is to avoid using these two together when possible, because both can prolong the QT interval and the effect adds up.

  • Keep taking both medicines as prescribed until you have spoken with your prescriber or pharmacist. Do not stop either one on your own.
  • Your care team may choose an alternative medicine for one of them, or if both are truly needed, they may monitor you more closely (such as with heart tracings and blood tests) and individualize your dosing.
  • Tell your doctor right away about fainting, palpitations, dizziness, or an irregular heartbeat.

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

Common questions

Can I take Sultopride and Sertraline together?

Sertraline and sultopride can each prolong the QT interval, and combining them adds to that risk, so this pairing is generally avoided. Talk with your doctor or pharmacist before changing anything. Always confirm with your pharmacist or prescriber before making any change.

How serious is the Sultopride and Sertraline 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 Sultopride and Sertraline interaction managed?

The documented advice is to avoid using these two together when possible, because both can prolong the QT interval and the effect adds up. Keep taking both medicines as prescribed until you have spoken with your prescriber or pharmacist. Do not stop either one on your own. Your care team may choose an alternative medicine for one of them, or if both are truly needed, they may monitor you more clos… 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 Sultopride or Sertraline 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

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.

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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.