Sertraline and Bepridil: 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 recordBepridil
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.
These two medicines should not be taken together. Both sertraline (an antidepressant) and bepridil (an older heart medicine) can affect the timing of your heartbeat. Doctors call this QT prolongation. When two drugs that do this are combined, the effect can add up and raise the risk of a dangerous, irregular heartbeat.
The good news is that this is very manageable once your care team knows. Please don't stop either medicine on your own. Instead, reach out to your pharmacist or doctor so they can review your medicines and choose a safer option for you.
Contraindicated combination. Both agents independently prolong the QT interval, and concurrent use produces additive QT prolongation, increasing the risk of torsades de pointes.
- Direction: Additive pharmacodynamic effect (not a metabolic/prodrug interaction); neither drug's activation is at issue.
- Magnitude/onset: Unspecified; evidence is theoretical but severity on file is contraindicated given bepridil's known proarrhythmic profile.
- Management: Avoid combination. If unavoidable, an alternative should be selected. Where any QT-active drug is used, monitor ECG/QTc, correct hypokalemia and hypomagnesemia, and review other QT-prolonging agents.
What happens
An increased risk of QT interval prolongation
Interaction Deep Dive
Administering bepridil together with agents known to prolong the QT interval is contraindicated1.
Why it happens (mechanism)
Additive QT interval prolongation
How to manage this interaction
The safest approach here is avoidance, and your care team can arrange that. Because both drugs prolong the QT interval, guidelines list this pair as one to avoid rather than adjust.
- Keep taking both medicines exactly as prescribed until you speak with a professional. Do not stop either one on your own.
- Tell your pharmacist or prescriber that you have been prescribed both sertraline and bepridil so they can review and likely choose an alternative.
- Report symptoms like palpitations, dizziness, or fainting right away.
- Your team may check an ECG and your potassium and magnesium levels.
Management is individual — confirm any change with your pharmacist or prescriber.
Common questions
Can I take Sertraline and Bepridil together?
Sertraline and bepridil together can add up to a dangerous heart-rhythm effect and this combination is considered contraindicated. Keep taking both as prescribed for now, but contact your pharmacist or doctor promptly so they can switch you to a safer option. Always confirm with your pharmacist or prescriber before making any change.
How serious is the Sertraline and Bepridil interaction?
It is rated contraindicated. These should generally not be used together.
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 Bepridil interaction managed?
The safest approach here is avoidance, and your care team can arrange that. Because both drugs prolong the QT interval, guidelines list this pair as one to avoid rather than adjust. Keep taking both medicines exactly as prescribed until you speak with a professional. Do not stop either one on your own. Tell your pharmacist or prescriber that you have been prescribed both sertraline and bepridil so… 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 Bepridil 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)
- Product Information: Vascor(R) bepridil HCl. McNeil Pharmaceutical, Spring House, PA, 2000.
Keep reading about Sertraline
Keep reading about Bepridil
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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