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Drug interactions

Procarbazine + Salmeterol

Severity: Moderate

Procarbazine and Salmeterol: 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

Procarbazine has weak monoamine oxidase inhibitor activity, and MAO inhibitors can potentiate the cardiovascular effects of beta-agonists. Salmeterol labeling advises caution with MAO inhibitors because of possible tachycardia, palpitations and blood pressure changes.

What this interaction means in plain words

Procarbazine and Salmeterol 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.

Procarbazine belongs to Oncology; Salmeterol belongs to Respiratory.

Evidence level: Low

Why it happens

MAO inhibition may potentiate the adrenergic cardiovascular effects of salmeterol.

What to do

Monitor heart rate, blood pressure and arrhythmia symptoms when starting or continuing salmeterol. Consider a short-acting alternative if cardiovascular effects occur.

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 Procarbazine with Salmeterol?

MediHelp rates the interaction as moderate. Procarbazine and Salmeterol 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. Procarbazine has weak monoamine oxidase inhibitor activity, and MAO inhibitors can potentiate the cardiovascular effects of beta-agonists. Salmeterol labeling advises caution with MAO inhibitors because of possible tachycardia, palpitations and blood pressure changes.

How serious is the interaction between Procarbazine and Salmeterol?

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 heart rate, blood pressure and arrhythmia symptoms when starting or continuing salmeterol. Consider a short-acting alternative if cardiovascular effects occur.

What other medicines interact with Salmeterol?

MediHelp also lists interactions of Salmeterol with, for example, Ritonavir, Saquinavir, Amitriptyline. The full list is on the Salmeterol page.

Full monographs, dosing and an interaction checker in the MediHelp app

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