Drug interactions
Azelastine-fluticasone + Calcium / magnesium / potassium / sodium oxybates
Severity: Major
Azelastine-fluticasone and Calcium / magnesium / potassium / sodium oxybates: 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 cause profound CNS and respiratory depression, and sedating drugs add to this effect. Intranasal azelastine has limited systemic absorption but can still cause somnolence in some patients, so additive sedation is possible.
What this interaction means in plain words
Azelastine-fluticasone and Calcium / magnesium / potassium / sodium oxybates 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 depression from the sedating antihistamine and the GABA-B/GHB agonist oxybate.
What to do
Avoid the combination where possible and choose a non-sedating nasal steroid alone. If used, monitor for excess sedation and respiratory depression.
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 Azelastine-fluticasone
Frequently asked questions
Can I take Azelastine-fluticasone with Calcium / magnesium / potassium / sodium oxybates?
MediHelp rates the interaction as major. Azelastine-fluticasone and Calcium / magnesium / potassium / sodium oxybates 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 cause profound CNS and respiratory depression, and sedating drugs add to this effect. Intranasal azelastine has limited systemic absorption but can still cause somnolence in some patients, so additive sedation is possible.
How serious is the interaction between Azelastine-fluticasone and Calcium / magnesium / potassium / sodium oxybates?
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 and choose a non-sedating nasal steroid alone. If used, monitor for excess sedation and respiratory depression.
What other medicines interact with Azelastine-fluticasone?
MediHelp also lists interactions of Azelastine-fluticasone with, for example, Sodium oxybate, Alfentanil, Alprazolam. The full list is on the Azelastine-fluticasone page.
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