Skip to content

Drug interactions

Avapritinib + Oxazepam

Severity: Moderate

Avapritinib and Oxazepam: moderate interaction.

Last updated

For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.

Summary

Avapritinib can cause cognitive effects and somnolence, and combining it with a benzodiazepine may intensify drowsiness and impaired concentration. This is mainly a concern in patients already showing cognitive adverse effects.

What this interaction means in plain words

Avapritinib and Oxazepam can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.

Avapritinib belongs to Oncology; Oxazepam belongs to Central Nervous System.

Evidence level: Low

Why it happens

Additive CNS effects; oxazepam enhances GABA-A activity while avapritinib has its own CNS adverse effects.

What to do

Monitor for sedation and cognitive changes, and reduce or stop oxazepam if cognitive impairment appears. Avoid driving until the combined effect is known.

What to ask your pharmacist

  • Should I take them at different times of day?
  • Does the dose of either medicine need to change?
  • Is there anything I should avoid, such as alcohol or certain foods, while on both?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

Pro+ members

Unlock the full page

Create an account and start a Pro+ trial to unlock the full management advice for Avapritinib and Oxazepam, the additional notes, the evidence detail and the whole-prescription interaction checker.

  • Full clinical management advice
  • Additional notes
  • Evidence detail
  • Interaction checker for a whole prescription

Try Pro+ free for 7 days on the web. No card needed.

Frequently asked questions

Can I take Avapritinib with Oxazepam?

MediHelp rates the interaction as moderate. Avapritinib and Oxazepam can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Avapritinib can cause cognitive effects and somnolence, and combining it with a benzodiazepine may intensify drowsiness and impaired concentration. This is mainly a concern in patients already showing cognitive adverse effects.

How serious is the interaction between Avapritinib and Oxazepam?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for sedation and cognitive changes, and reduce or stop oxazepam if cognitive impairment appears. Avoid driving until the combined effect is known.

What other medicines interact with Oxazepam?

MediHelp also lists interactions of Oxazepam with, for example, Calcium / magnesium / potassium / sodium oxybates, Sodium oxybate, Alfentanil. The full list is on the Oxazepam page.

Full monographs, dosing and an interaction checker in the MediHelp app

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

Browse A–Z · Drug interactions

Get the app Sign in