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Drug interactions

Apomorphine + Moxifloxacin

Severity: Major

Apomorphine and Moxifloxacin: major interaction.

Last updated Sources: US FDA label

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

Apomorphine has been associated with QT prolongation, and moxifloxacin has a notable QT effect. Together they may increase the risk of torsades de pointes, especially in those with other risk factors.

What this interaction means in plain words

Apomorphine and Moxifloxacin 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.

Apomorphine belongs to Central Nervous System; Moxifloxacin belongs to Anti Bacterial.

Evidence level: Low

Why it happens

Additive pharmacodynamic QT prolongation.

What to do

Prefer an alternative antibiotic. If co-use is needed, obtain a baseline ECG, correct electrolytes and monitor QTc.

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?

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

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References

Frequently asked questions

Can I take Apomorphine with Moxifloxacin?

MediHelp rates the interaction as major. Apomorphine and Moxifloxacin 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. Apomorphine has been associated with QT prolongation, and moxifloxacin has a notable QT effect. Together they may increase the risk of torsades de pointes, especially in those with other risk factors.

How serious is the interaction between Apomorphine and Moxifloxacin?

MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Prefer an alternative antibiotic. If co-use is needed, obtain a baseline ECG, correct electrolytes and monitor QTc.

What other medicines interact with Moxifloxacin?

MediHelp also lists interactions of Moxifloxacin with, for example, Amiodarone, Arsenic trioxide, Disopyramide. The full list is on the Moxifloxacin page.

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