Drug interactions
Loxapine inhaled + Ziprasidone
Severity: Moderate
Loxapine inhaled and Ziprasidone: 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
Both drugs block dopamine receptors, so combined use can add to extrapyramidal symptoms, sedation and the risk of neuroleptic malignant syndrome. Systemic exposure from inhaled loxapine is lower than with oral dosing but still clinically relevant. Bronchospasm risk with inhaled loxapine is unchanged.
What this interaction means in plain words
Loxapine inhaled and Ziprasidone 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 dopamine D2 receptor antagonism and additive CNS depression.
What to do
Monitor for rigidity, tremor, excess sedation and fever after each dose of inhaled loxapine. Avoid the combination in patients with prior neuroleptic malignant syndrome.
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 Ziprasidone
- Amiodarone + Ziprasidone Contraindicated
- Amitriptyline + Ziprasidone Contraindicated
- Arsenic trioxide + Ziprasidone Contraindicated
- Bedaquiline + Ziprasidone Contraindicated
- Chloroquine + Ziprasidone Contraindicated
- Citalopram + Ziprasidone Contraindicated
Frequently asked questions
Can I take Loxapine inhaled with Ziprasidone?
MediHelp rates the interaction as moderate. Loxapine inhaled and Ziprasidone 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. Both drugs block dopamine receptors, so combined use can add to extrapyramidal symptoms, sedation and the risk of neuroleptic malignant syndrome. Systemic exposure from inhaled loxapine is lower than with oral dosing but still clinically relevant. Bronchospasm risk with inhaled loxapine is unchanged.
How serious is the interaction between Loxapine inhaled and Ziprasidone?
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 rigidity, tremor, excess sedation and fever after each dose of inhaled loxapine. Avoid the combination in patients with prior neuroleptic malignant syndrome.
What other medicines interact with Ziprasidone?
MediHelp also lists interactions of Ziprasidone with, for example, Amiodarone, Amitriptyline, Arsenic trioxide. The full list is on the Ziprasidone page.
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