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Drug interactions

Budesonide-formoterol + Risperidone

Severity: Moderate

Budesonide-formoterol and Risperidone: moderate 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

Risperidone can prolong the QTc interval, and formoterol may add to this effect, particularly with hypokalemia. This may increase arrhythmia risk in patients with cardiac disease or other risk factors.

What this interaction means in plain words

Budesonide-formoterol and Risperidone can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.

Budesonide-formoterol belongs to Respiratory; Risperidone belongs to Central Nervous System.

Evidence level: Low

Why it happens

Additive QTc prolongation, with beta-2 agonist-induced hypokalemia as a contributing factor.

What to do

Monitor ECG and serum potassium in at-risk patients. Use the lowest effective formoterol dose.

What to ask your pharmacist

  • Should I take them at different times of day?
  • Does the dose of either medicine need to change?
  • Is there anything I should avoid, such as alcohol or certain foods, while on both?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Budesonide-formoterol with Risperidone?

MediHelp rates the interaction as moderate. Budesonide-formoterol and Risperidone can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Risperidone can prolong the QTc interval, and formoterol may add to this effect, particularly with hypokalemia. This may increase arrhythmia risk in patients with cardiac disease or other risk factors.

How serious is the interaction between Budesonide-formoterol and Risperidone?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor ECG and serum potassium in at-risk patients. Use the lowest effective formoterol dose.

What other medicines interact with Budesonide-formoterol?

MediHelp also lists interactions of Budesonide-formoterol with, for example, Adagrasib, Amiodarone, Amisulpride. The full list is on the Budesonide-formoterol page.

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