Drug interactions
Loxapine inhaled + Paliperidone
Severity: Moderate
Loxapine inhaled and Paliperidone: 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
Loxapine is itself an antipsychotic, so combining it with paliperidone duplicates dopamine blockade and sedation. This raises the risk of extrapyramidal symptoms, neuroleptic malignant syndrome and excessive drowsiness, and inhaled loxapine can also cause bronchospasm.
What this interaction means in plain words
Loxapine inhaled and Paliperidone 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 sedative effects of two antipsychotics.
What to do
Monitor for extrapyramidal symptoms, sedation and signs of NMS after each inhaled dose. Allow for the existing antipsychotic load when deciding on repeated loxapine dosing.
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 Paliperidone
- Ibutilide + Paliperidone Contraindicated
- Paliperidone + Pimozide Contraindicated
- Paliperidone + Vandetanib Contraindicated
- Adagrasib + Paliperidone Major
- Amiodarone + Paliperidone Major
- Amisulpride + Paliperidone Major
Frequently asked questions
Can I take Loxapine inhaled with Paliperidone?
MediHelp rates the interaction as moderate. Loxapine inhaled and Paliperidone 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. Loxapine is itself an antipsychotic, so combining it with paliperidone duplicates dopamine blockade and sedation. This raises the risk of extrapyramidal symptoms, neuroleptic malignant syndrome and excessive drowsiness, and inhaled loxapine can also cause bronchospasm.
How serious is the interaction between Loxapine inhaled and Paliperidone?
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 extrapyramidal symptoms, sedation and signs of NMS after each inhaled dose. Allow for the existing antipsychotic load when deciding on repeated loxapine dosing.
What other medicines interact with Paliperidone?
MediHelp also lists interactions of Paliperidone with, for example, Ibutilide, Pimozide, Vandetanib. The full list is on the Paliperidone page.
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