Drug interactions
Carbamazepine + Fluticasone inhaled
Severity: Minor
Carbamazepine and Fluticasone inhaled: minor 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
Carbamazepine may lower systemic fluticasone exposure, which is unlikely to matter much clinically for inhaled doses. A reduced effect on asthma control is possible but not well documented.
What this interaction means in plain words
Carbamazepine and Fluticasone inhaled have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Carbamazepine induces CYP3A4, which metabolizes fluticasone.
What to do
No routine dose change. Monitor asthma control and adjust the inhaled steroid dose if symptoms worsen.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Carbamazepine and Fluticasone inhaled, 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.
Other interactions of Carbamazepine
- Artemether / lumefantrine + Carbamazepine Contraindicated
- Cabotegravir + Carbamazepine Contraindicated
- Carbamazepine + Delamanid Contraindicated
- Carbamazepine + Dienogest / estradiol valerate Contraindicated
- Carbamazepine + Doravirine Contraindicated
- Carbamazepine + Elbasvir / grazoprevir Contraindicated
Frequently asked questions
Can I take Carbamazepine with Fluticasone inhaled?
MediHelp rates the interaction as minor. Carbamazepine and Fluticasone inhaled have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Carbamazepine may lower systemic fluticasone exposure, which is unlikely to matter much clinically for inhaled doses. A reduced effect on asthma control is possible but not well documented.
How serious is the interaction between Carbamazepine and Fluticasone inhaled?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No routine dose change. Monitor asthma control and adjust the inhaled steroid dose if symptoms worsen.
What other medicines interact with Carbamazepine?
MediHelp also lists interactions of Carbamazepine with, for example, Artemether / lumefantrine, Cabotegravir, Delamanid. The full list is on the Carbamazepine 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.
