Drug interactions
Efavirenz + Indacaterol inhaled
Severity: Minor
Efavirenz and Indacaterol 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
Both drugs have been associated with QT prolongation, so combined use could add to arrhythmia risk. Systemic exposure to inhaled indacaterol is low, so the effect is likely small.
What this interaction means in plain words
Efavirenz and Indacaterol 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
Possible additive QT prolongation.
What to do
No routine action needed; use ECG monitoring in patients with other QT risk factors.
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?
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Other interactions of Efavirenz
- Cobimetinib + Efavirenz Contraindicated
- Dienogest / estradiol valerate + Efavirenz Contraindicated
- Dihydroergotamine intranasal + Efavirenz Contraindicated
- Dihydroergotamine + Efavirenz Contraindicated
- Doravirine + Efavirenz Contraindicated
- Efavirenz + Elbasvir / grazoprevir Contraindicated
Frequently asked questions
Can I take Efavirenz with Indacaterol inhaled?
MediHelp rates the interaction as minor. Efavirenz and Indacaterol 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. Both drugs have been associated with QT prolongation, so combined use could add to arrhythmia risk. Systemic exposure to inhaled indacaterol is low, so the effect is likely small.
How serious is the interaction between Efavirenz and Indacaterol 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 action needed; use ECG monitoring in patients with other QT risk factors.
What other medicines interact with Efavirenz?
MediHelp also lists interactions of Efavirenz with, for example, Cobimetinib, Dienogest / estradiol valerate, Dihydroergotamine intranasal. The full list is on the Efavirenz page.
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