Drug Interaction Report

Sofpironium 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
+

Sofpironium

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 11 documented Sofpironium interactions, 11 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 Some uncertainty
The Bottom Line
Sertraline can slow how your body clears sofpironium, so levels may rise, but this is a theoretical concern that your care team can manage with dose adjustment and monitoring. Keep taking both as prescribed and flag any new side effects.

Here's the simple version. Sertraline is a medicine often used for depression or anxiety. Sofpironium is a substance your body clears using a liver enzyme called CYP2D6. Sertraline can slow that enzyme down, so sofpironium may build up a bit more than expected in your body.

Because this concern is theoretical (based on how the enzyme works, not on strong real-world reports), it may not cause problems for you at all. Please keep taking both exactly as prescribed and don't change anything on your own. Your care team can easily manage this by adjusting your dose if needed and keeping an eye on how you feel.

Mechanism: Sertraline is a moderate CYP2D6 inhibitor. If sofpironium is a CYP2D6 substrate, inhibition of its metabolism may increase substrate exposure (AUC/Cmax). Neither agent is activated by CYP2D6, so the effect is increased parent-drug exposure and potential for enhanced substrate effects/adverse events.

  • Direction: increased CYP2D6 substrate exposure
  • Onset: unspecified
  • Evidence: theoretical
  • Magnitude: not quantified

Management: If coadministration is required, reduce the substrate dose as clinically indicated and monitor for substrate-related effects. On sertraline discontinuation, the substrate dose may need to be increased. Individualize per patient response.

Onset
unspecified
Evidence
theoretical
Severity
Major

What happens

Increased CYP2D6 substrate exposure

Interaction Deep Dive

When sertraline, which inhibits CYP2D6, is taken together with a CYP2D6 substrate, exposure to that substrate may rise. Should the two need to be given together, lower the dose of the CYP2D6 substrate as appropriate; on the other hand, stopping sertraline may call for raising the dose of a CYP2D6 substrate1.

Why it happens (mechanism)

Inhibition of CYP2D6 substrate metabolism by sertraline

How to manage this interaction

The good news: this interaction is manageable and your care team has clear options.

  • Keep taking both medicines as prescribed unless your prescriber tells you otherwise.
  • Your sofpironium dose may need to be adjusted and individualized by your care team while you are also on sertraline.
  • If sertraline is ever stopped, your team may need to raise the sofpironium dose back up.
  • Your team may monitor you a bit more closely for any stronger-than-usual effects.

Let your pharmacist or prescriber know you take both, and report any new or unusual side effects.

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

Literature reports

1 report — tap to read

a) In studies of drug interactions, PARoxetine produced the following effects on medications metabolized by CYP2D6. When given at 20 mg once daily at steady-state, PARoxetine raised the Cmax, AUC, and t(1/2) of a single 100 mg dose of desipramine by roughly 2-fold, 5-fold, and 3-fold, respectively. Among patients stabilized on risperiDONE 4 to 8 mg/day, daily PARoxetine 20 mg raised mean plasma levels of risperiDONE by 4-fold, lowered 9-hydroxyrisperiDONE levels by 10%, and raised levels of the active moiety by 1.4-fold. In healthy volunteers classified as extensive CYP2D6 metabolizers, steady-state atomoxetine AUC values were 6- to 8-fold greater and Cmax values were 3- to 4-fold greater when PARoxetine was given concomitantly compared with atomoxetine given alone. Mean digoxin steady-state AUC fell by 15% when PARoxetine was present. In a study using propranolol 80 mg twice daily for 18 days, the steady-state plasma levels of propranolol remained unchanged during coadministration with PARoxetine 30 mg once daily during the final 10 days 2.

Common questions

Can I take Sofpironium and Sertraline together?

Sertraline can slow how your body clears sofpironium, so levels may rise, but this is a theoretical concern that your care team can manage with dose adjustment and monitoring. Keep taking both as prescribed and flag any new side effects. Always confirm with your pharmacist or prescriber before making any change.

How serious is the Sofpironium 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 Sofpironium and Sertraline interaction managed?

The good news: this interaction is manageable and your care team has clear options. Keep taking both medicines as prescribed unless your prescriber tells you otherwise. Your sofpironium dose may need to be adjusted and individualized by your care team while you are also on sertraline. If sertraline is ever stopped, your team may need to raise the sofpironium dose back up. Your team may monitor you… 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 Sofpironium 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 (2)

  1. Product Information: ZOLOFT oral tablets, oral solution, sertraline hydrochloride oral tablets, oral solution. Viatris Specialty LLC (per FDA), Morgantown, WV, 2023. DailyMed
  2. Product Information: PEXEVA(R) oral tablets, paroxetine mesylate oral tablets. Sebela Pharmaceuticals Inc (per FDA), Roswell, GA, 2023.
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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.