Drug interactions
Norepinephrine + Oxymetazoline
Severity: Moderate
Norepinephrine and Oxymetazoline: 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-agonist and norepinephrine is a potent vasopressor, so additive vasoconstriction and hypertension are possible. Systemic exposure from topical oxymetazoline is low, limiting the usual impact in monitored settings.
What this interaction means in plain words
Norepinephrine and Oxymetazoline 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
Additive alpha-adrenergic agonist vasoconstriction.
What to do
Titrate norepinephrine to blood pressure targets with continuous monitoring and avoid unnecessary additional oxymetazoline use.
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 Oxymetazoline
- Isocarboxazid + Oxymetazoline Major
- Oxymetazoline + Phenelzine Major
- Oxymetazoline + Tranylcypromine Major
- Amitriptyline + Oxymetazoline Moderate
- Amoxapine + Oxymetazoline Moderate
- Clomipramine + Oxymetazoline Moderate
Frequently asked questions
Can I take Norepinephrine with Oxymetazoline?
MediHelp rates the interaction as moderate. Norepinephrine and Oxymetazoline 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-agonist and norepinephrine is a potent vasopressor, so additive vasoconstriction and hypertension are possible. Systemic exposure from topical oxymetazoline is low, limiting the usual impact in monitored settings.
How serious is the interaction between Norepinephrine and Oxymetazoline?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Titrate norepinephrine to blood pressure targets with continuous monitoring and avoid unnecessary additional oxymetazoline use.
What other medicines interact with Oxymetazoline?
MediHelp also lists interactions of Oxymetazoline with, for example, Isocarboxazid, Phenelzine, Tranylcypromine. The full list is on the Oxymetazoline page.
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