Drug interactions
Secobarbital + Selumetinib
Severity: Major
Secobarbital and Selumetinib: major 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
Secobarbital may induce CYP3A4 and lower selumetinib plasma concentrations. This could reduce the treatment effect in patients with neurofibromatosis.
What this interaction means in plain words
Secobarbital and Selumetinib can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Secobarbital belongs to Central Nervous System; Selumetinib belongs to Oncology.
Why it happens
Barbiturate induction of CYP3A4 increases the metabolic clearance of selumetinib.
What to do
Avoid concomitant strong or moderate CYP3A4 inducers and choose an alternative hypnotic. If the combination cannot be avoided, monitor for reduced response.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Secobarbital and Selumetinib, 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 14 days on the web. No card needed.
Other interactions of Secobarbital
- Calcium / magnesium / potassium / sodium oxybates + Secobarbital Contraindicated
- Doravirine + Secobarbital Contraindicated
- Elbasvir / grazoprevir + Secobarbital Contraindicated
- Elvitegravir / cobicistat / emtricitabine / tenofovir df + Secobarbital Contraindicated
- Isavuconazonium + Secobarbital Contraindicated
- Lonafarnib + Secobarbital Contraindicated
Other interactions of Selumetinib
Frequently asked questions
Can I take Secobarbital with Selumetinib?
MediHelp rates the interaction as major. Secobarbital and Selumetinib can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Secobarbital may induce CYP3A4 and lower selumetinib plasma concentrations. This could reduce the treatment effect in patients with neurofibromatosis.
How serious is the interaction between Secobarbital and Selumetinib?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid concomitant strong or moderate CYP3A4 inducers and choose an alternative hypnotic. If the combination cannot be avoided, monitor for reduced response.
What other medicines interact with Secobarbital?
MediHelp also lists interactions of Secobarbital with, for example, Calcium / magnesium / potassium / sodium oxybates, Doravirine, Elbasvir / grazoprevir. The full list is on the Secobarbital 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.
