Drug interactions
Clomipramine + Oxymetazoline intranasal
Severity: Moderate
Clomipramine and Oxymetazoline intranasal: 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
Tricyclic antidepressants block norepinephrine reuptake and can amplify the pressor response to sympathomimetic vasoconstrictors. Intranasal oxymetazoline is only slightly absorbed, so a clinically important effect is uncommon at usual doses, but hypertension or arrhythmia is possible with heavy or prolonged use.
What this interaction means in plain words
Clomipramine and Oxymetazoline intranasal 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
Clomipramine inhibits neuronal norepinephrine reuptake, enhancing the adrenergic effect of the alpha-1 agonist oxymetazoline.
What to do
Use oxymetazoline at the lowest dose for the shortest duration (a few days) and monitor blood pressure and heart rate. Avoid vasoconstrictor-containing local anesthetic preparations in patients taking clomipramine.
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 Clomipramine
- Arsenic trioxide + Clomipramine Contraindicated
- Clomipramine + Dofetilide Contraindicated
- Clomipramine + Droperidol Contraindicated
- Clomipramine + Isocarboxazid Contraindicated
- Clomipramine + Methylene blue Contraindicated
- Clomipramine + Pentamidine Contraindicated
Frequently asked questions
Can I take Clomipramine with Oxymetazoline intranasal?
MediHelp rates the interaction as moderate. Clomipramine and Oxymetazoline intranasal 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. Tricyclic antidepressants block norepinephrine reuptake and can amplify the pressor response to sympathomimetic vasoconstrictors. Intranasal oxymetazoline is only slightly absorbed, so a clinically important effect is uncommon at usual doses, but hypertension or arrhythmia is possible with heavy or prolonged use.
How serious is the interaction between Clomipramine and Oxymetazoline intranasal?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use oxymetazoline at the lowest dose for the shortest duration (a few days) and monitor blood pressure and heart rate. Avoid vasoconstrictor-containing local anesthetic preparations in patients taking clomipramine.
What other medicines interact with Clomipramine?
MediHelp also lists interactions of Clomipramine with, for example, Arsenic trioxide, Dofetilide, Droperidol. The full list is on the Clomipramine page.
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