Drug interactions
Dantrolene + Dimenhydrinate
Severity: Moderate
Dantrolene and Dimenhydrinate: 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
Dimenhydrinate is a sedating antihistamine, and dantrolene can also cause drowsiness. Together they may increase sedation and impair alertness and coordination.
What this interaction means in plain words
Dantrolene and Dimenhydrinate 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.
Dantrolene belongs to Musculoskeletal; Dimenhydrinate belongs to Respiratory.
Why it happens
Additive central nervous system depression from H1-antihistamine sedation and dantrolene.
What to do
Monitor for excessive drowsiness and advise against driving or hazardous tasks. Use the lowest effective dimenhydrinate dose or an alternative antiemetic if sedation is problematic.
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
Other interactions of Dimenhydrinate
Frequently asked questions
Can I take Dantrolene with Dimenhydrinate?
MediHelp rates the interaction as moderate. Dantrolene and Dimenhydrinate 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. Dimenhydrinate is a sedating antihistamine, and dantrolene can also cause drowsiness. Together they may increase sedation and impair alertness and coordination.
How serious is the interaction between Dantrolene and Dimenhydrinate?
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 excessive drowsiness and advise against driving or hazardous tasks. Use the lowest effective dimenhydrinate dose or an alternative antiemetic if sedation is problematic.
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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