Drug interactions
Calcium / magnesium / potassium / sodium oxybates + Loxapine
Severity: Major
Calcium / magnesium / potassium / sodium oxybates and Loxapine: major 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
Oxybates are potent CNS depressants, and combining them with sedating antipsychotics such as loxapine can cause profound sedation, respiratory depression, coma and death.
What this interaction means in plain words
Calcium / magnesium / potassium / sodium oxybates and Loxapine can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Why it happens
Additive CNS and respiratory depression through pharmacodynamic synergism.
What to do
Avoid the combination where possible; if necessary, use the lowest effective doses and monitor closely for sedation and respiratory depression. Consider reducing or interrupting the oxybate.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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Other interactions of Loxapine
- Alfentanil + Loxapine Major
- Alprazolam + Loxapine Major
- Amisulpride + Loxapine Major
- Amoxapine + Loxapine Major
- Apomorphine + Loxapine Major
- Belladonna and opium + Loxapine Major
Frequently asked questions
Can I take Calcium / magnesium / potassium / sodium oxybates with Loxapine?
MediHelp rates the interaction as major. Calcium / magnesium / potassium / sodium oxybates and Loxapine can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Oxybates are potent CNS depressants, and combining them with sedating antipsychotics such as loxapine can cause profound sedation, respiratory depression, coma and death.
How serious is the interaction between Calcium / magnesium / potassium / sodium oxybates and Loxapine?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid the combination where possible; if necessary, use the lowest effective doses and monitor closely for sedation and respiratory depression. Consider reducing or interrupting the oxybate.
What other medicines interact with Loxapine?
MediHelp also lists interactions of Loxapine with, for example, Alfentanil, Alprazolam, Amisulpride. The full list is on the Loxapine page.
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