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Drug interactions

Alprostadil + Lofexidine

Severity: Moderate

Alprostadil and Lofexidine: 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

Intravenous alprostadil is a vasodilator and lofexidine lowers blood pressure and heart rate, so combined use can cause excessive hypotension. Bradycardia from lofexidine may add to the hemodynamic effects.

What this interaction means in plain words

Alprostadil and Lofexidine 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.

Alprostadil belongs to Genitourinary; Lofexidine belongs to Central Nervous System.

Evidence level: Low

Why it happens

Additive blood pressure lowering through vasodilation and central sympatholytic action.

What to do

Monitor blood pressure and heart rate continuously during alprostadil infusion. Adjust the dose if hypotension or bradycardia develops.

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 Alprostadil with Lofexidine?

MediHelp rates the interaction as moderate. Alprostadil and Lofexidine 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. Intravenous alprostadil is a vasodilator and lofexidine lowers blood pressure and heart rate, so combined use can cause excessive hypotension. Bradycardia from lofexidine may add to the hemodynamic effects.

How serious is the interaction between Alprostadil and Lofexidine?

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 blood pressure and heart rate continuously during alprostadil infusion. Adjust the dose if hypotension or bradycardia develops.

What other medicines interact with Lofexidine?

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

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