Drug interactions
Oxymetazoline intranasal + Phenelzine
Severity: Moderate
Oxymetazoline intranasal and Phenelzine: 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
Oxymetazoline is an alpha-adrenergic agonist. Although intranasal absorption is limited, systemic effects may produce hypertension in a patient taking an MAOI.
What this interaction means in plain words
Oxymetazoline intranasal and Phenelzine 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.
Why it happens
Alpha-agonist vasoconstriction acting on norepinephrine-rich tissues under MAO inhibition.
What to do
Avoid regular or high-dose use; use saline or other nonadrenergic measures for congestion. If used, limit dose and duration and monitor blood pressure.
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?
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Other interactions of Phenelzine
- 5-HTP + Phenelzine Contraindicated
- Amitriptyline + Phenelzine Contraindicated
- Amoxapine + Phenelzine Contraindicated
- Atomoxetine + Phenelzine Contraindicated
- Benzphetamine + Phenelzine Contraindicated
- Brimonidine + Phenelzine Contraindicated
Frequently asked questions
Can I take Oxymetazoline intranasal with Phenelzine?
MediHelp rates the interaction as moderate. Oxymetazoline intranasal and Phenelzine 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. Oxymetazoline is an alpha-adrenergic agonist. Although intranasal absorption is limited, systemic effects may produce hypertension in a patient taking an MAOI.
How serious is the interaction between Oxymetazoline intranasal and Phenelzine?
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 regular or high-dose use; use saline or other nonadrenergic measures for congestion. If used, limit dose and duration and 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.
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