Drug interactions
Dantrolene + Diazepam intranasal
Severity: Moderate
Dantrolene and Diazepam intranasal: 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
Diazepam is a benzodiazepine that causes sedation and respiratory depression, and dantrolene adds drowsiness and muscle weakness. The combination can produce excessive sedation, impaired coordination and falls, and may compromise breathing in vulnerable patients.
What this interaction means in plain words
Dantrolene and Diazepam intranasal 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 CNS depression through GABAergic benzodiazepine effects and dantrolene sedation and weakness.
What to do
Monitor sedation and respiratory status, particularly after intranasal dosing, and use the lowest effective doses. Caution patients about driving and fall risk.
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 Dantrolene
Frequently asked questions
Can I take Dantrolene with Diazepam intranasal?
MediHelp rates the interaction as moderate. Dantrolene and Diazepam intranasal 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. Diazepam is a benzodiazepine that causes sedation and respiratory depression, and dantrolene adds drowsiness and muscle weakness. The combination can produce excessive sedation, impaired coordination and falls, and may compromise breathing in vulnerable patients.
How serious is the interaction between Dantrolene and Diazepam intranasal?
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 sedation and respiratory status, particularly after intranasal dosing, and use the lowest effective doses. Caution patients about driving and fall risk.
What other medicines interact with Dantrolene?
MediHelp also lists interactions of Dantrolene with, for example, Benzhydrocodone / acetaminophen, Buprenorphine long-acting, Buprenorphine subdermal implant. The full list is on the Dantrolene page.
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