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Drug interactions

Lofexidine + Metaproterenol

Severity: Minor

Lofexidine and Metaproterenol: 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

Metaproterenol is a beta-agonist bronchodilator that can cause tachycardia and tremor, while lofexidine lowers heart rate and blood pressure. The effects are partly opposing and no significant clinical interaction is well documented.

What this interaction means in plain words

Lofexidine and Metaproterenol have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Evidence level: Low

Why it happens

Opposing sympathetic effects at the cardiovascular level; no established pharmacokinetic mechanism.

What to do

No routine adjustment is needed; monitor heart rate and blood pressure when starting either drug.

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?

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 Lofexidine with Metaproterenol?

MediHelp rates the interaction as minor. Lofexidine and Metaproterenol have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Metaproterenol is a beta-agonist bronchodilator that can cause tachycardia and tremor, while lofexidine lowers heart rate and blood pressure. The effects are partly opposing and no significant clinical interaction is well documented.

How serious is the interaction between Lofexidine and Metaproterenol?

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 adjustment is needed; monitor heart rate and blood pressure when starting either drug.

What other medicines interact with Lofexidine?

MediHelp also lists interactions of Lofexidine with, for example, Adagrasib, Alfuzosin, Amiodarone. The full list is on the Lofexidine page.

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

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