Drug interactions
Fostemsavir + Ipratropium-salbutamol
Severity: Minor
Fostemsavir and Ipratropium-salbutamol: 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
Fostemsavir has been associated with QT prolongation at supratherapeutic doses, and salbutamol may add a small QT effect. At recommended fostemsavir doses and standard inhaled salbutamol, the risk is low. It matters more in patients with other QT risk factors.
What this interaction means in plain words
Fostemsavir and Ipratropium-salbutamol have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Fostemsavir belongs to Anti Virals; Ipratropium-salbutamol belongs to Respiratory.
Why it happens
Possible additive QT prolongation, mainly with supratherapeutic fostemsavir exposure.
What to do
Use recommended fostemsavir doses and check ECG and electrolytes if other QT-prolonging risk factors are present.
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 Ipratropium-salbutamol
Other interactions of Fostemsavir
- Apalutamide + Fostemsavir Contraindicated
- Carbamazepine + Fostemsavir Contraindicated
- Enzalutamide + Fostemsavir Contraindicated
- Fostemsavir + Mitotane Contraindicated
- Fostemsavir + Phenytoin Contraindicated
- Fostemsavir + Rifampicin Contraindicated
Frequently asked questions
Can I take Fostemsavir with Ipratropium-salbutamol?
MediHelp rates the interaction as minor. Fostemsavir and Ipratropium-salbutamol have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Fostemsavir has been associated with QT prolongation at supratherapeutic doses, and salbutamol may add a small QT effect. At recommended fostemsavir doses and standard inhaled salbutamol, the risk is low. It matters more in patients with other QT risk factors.
How serious is the interaction between Fostemsavir and Ipratropium-salbutamol?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use recommended fostemsavir doses and check ECG and electrolytes if other QT-prolonging risk factors are present.
What other medicines interact with Ipratropium-salbutamol?
MediHelp also lists interactions of Ipratropium-salbutamol with, for example, Amisulpride, Arsenic trioxide, Carvedilol. The full list is on the Ipratropium-salbutamol page.
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