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Drug interactions

Apraclonidine + Phenelzine

Severity: Major

Apraclonidine and Phenelzine: major 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

Apraclonidine labeling lists MAO inhibitors as a contraindication. MAOIs may interfere with catecholamine metabolism and alter blood pressure responses to the alpha-agonist, though systemic exposure from ophthalmic use is low.

What this interaction means in plain words

Apraclonidine and Phenelzine 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.

Apraclonidine belongs to Cardiovascular; Phenelzine belongs to Central Nervous System.

Evidence level: Low

Why it happens

Not well established; possible altered catecholamine handling due to MAO inhibition with an alpha-2 agonist.

What to do

Avoid per labeling and choose another intraocular pressure-lowering agent. If unavoidable, monitor blood pressure.

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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Frequently asked questions

Can I take Apraclonidine with Phenelzine?

MediHelp rates the interaction as major. Apraclonidine and Phenelzine 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. Apraclonidine labeling lists MAO inhibitors as a contraindication. MAOIs may interfere with catecholamine metabolism and alter blood pressure responses to the alpha-agonist, though systemic exposure from ophthalmic use is low.

How serious is the interaction between Apraclonidine and Phenelzine?

MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid per labeling and choose another intraocular pressure-lowering agent. If unavoidable, monitor blood pressure.

What other medicines interact with Phenelzine?

MediHelp also lists interactions of Phenelzine with, for example, 5-HTP, Amitriptyline, Amoxapine. The full list is on the Phenelzine page.

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

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