Drug interactions
Pentobarbital + Roflumilast
Severity: Major
Pentobarbital and Roflumilast: 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
Barbiturates induce hepatic CYP enzymes and may reduce roflumilast exposure, risking loss of benefit. The effect is more pronounced with sustained use.
What this interaction means in plain words
Pentobarbital and Roflumilast 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.
Why it happens
Pentobarbital induces CYP3A4 and CYP1A2, accelerating roflumilast clearance.
What to do
Avoid long-term coadministration; for short-term use, monitor respiratory status. Consider an alternative COPD therapy if sustained use of a barbiturate is necessary.
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 Roflumilast
Frequently asked questions
Can I take Pentobarbital with Roflumilast?
MediHelp rates the interaction as major. Pentobarbital and Roflumilast 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. Barbiturates induce hepatic CYP enzymes and may reduce roflumilast exposure, risking loss of benefit. The effect is more pronounced with sustained use.
How serious is the interaction between Pentobarbital and Roflumilast?
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 long-term coadministration; for short-term use, monitor respiratory status. Consider an alternative COPD therapy if sustained use of a barbiturate is necessary.
What other medicines interact with Roflumilast?
MediHelp also lists interactions of Roflumilast with, for example, Apalutamide, Carbamazepine, Efavirenz. The full list is on the Roflumilast page.
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