Olanzapine and Asciminib: Interaction Details
AI-assisted, pharmacist-reviewed · Source data updated Jul 11, 2026 · Sources: FDA labeling, DDInter 2.0, cited literature
Olanzapine
No brand names on recordAsciminib
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.
What happens
Reduced OLANZapine exposure and reduced efficacy of OLANZapine
Interaction Deep Dive
Concomitant use of OLANZapine (a CYP1A2 substrate) with a CYP1A2 inducer may decrease OLANZapine exposure, which may reduce its efficacy. If concomitant use is required, consider increasing the OLANZapine dose1.
Why it happens (mechanism)
Induction of CYP1A2-mediated metabolism of OLANZapine
Common questions
Can I take Olanzapine and Asciminib together?
Reduced OLANZapine exposure and reduced efficacy of OLANZapine Always confirm with your pharmacist or prescriber before making any change.
How serious is the Olanzapine and Asciminib 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 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 Olanzapine or Asciminib 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: LYBALVI(R) oral tablets, olanzapine samidorphan oral tablets. Alkermes Inc (per FDA), Waltham, MA, 2024. DailyMed
Keep reading about Olanzapine
Keep reading about Asciminib
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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