Drug interactions
Azelastine + Zotepine
Severity: Moderate
Azelastine and Zotepine: 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
Zotepine is a sedating antipsychotic with antihistaminic activity, and combining it with azelastine can increase drowsiness and psychomotor impairment. Zotepine also lowers the seizure threshold, which adds to the need for care.
What this interaction means in plain words
Azelastine and Zotepine 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 CNS depression via H1-receptor antagonism and sedative effects.
What to do
Monitor for excessive sedation and counsel patients about driving; use a non-sedating alternative if drowsiness is troublesome.
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 Azelastine
Frequently asked questions
Can I take Azelastine with Zotepine?
MediHelp rates the interaction as moderate. Azelastine and Zotepine 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. Zotepine is a sedating antipsychotic with antihistaminic activity, and combining it with azelastine can increase drowsiness and psychomotor impairment. Zotepine also lowers the seizure threshold, which adds to the need for care.
How serious is the interaction between Azelastine and Zotepine?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for excessive sedation and counsel patients about driving; use a non-sedating alternative if drowsiness is troublesome.
What other medicines interact with Azelastine?
MediHelp also lists interactions of Azelastine with, for example, Calcium / magnesium / potassium / sodium oxybates, Methadone, Sodium oxybate. The full list is on the Azelastine page.
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