Drug interactions
Brexanolone + Triprolidine
Severity: Major
Brexanolone and Triprolidine: 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
Brexanolone causes excessive sedation and sudden loss of consciousness in some patients. Adding a sedating antihistamine such as triprolidine may increase this risk.
What this interaction means in plain words
Brexanolone and Triprolidine 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; brexanolone is a positive GABA-A receptor modulator and triprolidine blocks central H1 receptors.
What to do
Avoid concurrent sedating antihistamines during the infusion, or reduce or interrupt brexanolone dosing if excessive sedation occurs. Continuously monitor sedation and oxygen saturation.
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 Triprolidine
Frequently asked questions
Can I take Brexanolone with Triprolidine?
MediHelp rates the interaction as major. Brexanolone and Triprolidine 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. Brexanolone causes excessive sedation and sudden loss of consciousness in some patients. Adding a sedating antihistamine such as triprolidine may increase this risk.
How serious is the interaction between Brexanolone and Triprolidine?
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 concurrent sedating antihistamines during the infusion, or reduce or interrupt brexanolone dosing if excessive sedation occurs. Continuously monitor sedation and oxygen saturation.
What other medicines interact with Triprolidine?
MediHelp also lists interactions of Triprolidine with, for example, Belladonna and opium, Benzhydrocodone / acetaminophen, Buprenorphine buccal. The full list is on the Triprolidine page.
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