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Drug interactions

Moxisylyte + Phentolamine

Severity: Moderate

Moxisylyte and Phentolamine: 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

Both drugs are alpha-adrenergic blockers with vasodilating effects. Together they may cause additive hypotension, dizziness and reflex tachycardia.

What this interaction means in plain words

Moxisylyte and Phentolamine 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.

Evidence level: Low

Why it happens

Additive alpha-adrenergic receptor blockade.

What to do

Avoid combining where possible; if used, monitor blood pressure and heart rate and reduce doses if symptomatic hypotension occurs.

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 Moxisylyte with Phentolamine?

MediHelp rates the interaction as moderate. Moxisylyte and Phentolamine 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. Both drugs are alpha-adrenergic blockers with vasodilating effects. Together they may cause additive hypotension, dizziness and reflex tachycardia.

How serious is the interaction between Moxisylyte and Phentolamine?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid combining where possible; if used, monitor blood pressure and heart rate and reduce doses if symptomatic hypotension occurs.

What other medicines interact with Phentolamine?

MediHelp also lists interactions of Phentolamine with, for example, Alfuzosin, Avanafil, Doxazosin. The full list is on the Phentolamine page.

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

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