Drug interactions
Amobarbital + Erdafitinib
Severity: Major
Amobarbital and Erdafitinib: 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
Amobarbital may reduce erdafitinib exposure, possibly lowering antitumor efficacy. Strong CYP3A4 inducers are to be avoided with erdafitinib.
What this interaction means in plain words
Amobarbital and Erdafitinib 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.
Amobarbital belongs to Central Nervous System; Erdafitinib belongs to Oncology.
Why it happens
Induction of CYP3A4 and CYP2C9 pathways increases erdafitinib metabolism.
What to do
Avoid combining where possible and choose a non-inducing sedative. If unavoidable, monitor tumor response closely.
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?
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Other interactions of Amobarbital
- Amobarbital + Calcium / magnesium / potassium / sodium oxybates Contraindicated
- Amobarbital + Doravirine Contraindicated
- Amobarbital + Elbasvir / grazoprevir Contraindicated
- Amobarbital + Isavuconazonium Contraindicated
- Amobarbital + Isocarboxazid Contraindicated
- Amobarbital + Lonafarnib Contraindicated
Other interactions of Erdafitinib
Frequently asked questions
Can I take Amobarbital with Erdafitinib?
MediHelp rates the interaction as major. Amobarbital and Erdafitinib 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. Amobarbital may reduce erdafitinib exposure, possibly lowering antitumor efficacy. Strong CYP3A4 inducers are to be avoided with erdafitinib.
How serious is the interaction between Amobarbital and Erdafitinib?
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 combining where possible and choose a non-inducing sedative. If unavoidable, monitor tumor response closely.
What other medicines interact with Amobarbital?
MediHelp also lists interactions of Amobarbital with, for example, Calcium / magnesium / potassium / sodium oxybates, Doravirine, Elbasvir / grazoprevir. The full list is on the Amobarbital page.
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