Drug interactions
Carisoprodol + Chloral hydrate
Severity: Major
Carisoprodol and Chloral hydrate: major interaction.
Last updated Sources: US FDA label
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
Both are sedative agents, and combined use may cause profound sedation and respiratory depression. The risk is greater in elderly patients and with higher doses.
What this interaction means in plain words
Carisoprodol and Chloral hydrate 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.
Carisoprodol belongs to Musculoskeletal; Chloral hydrate belongs to Central Nervous System.
Why it happens
Additive CNS depression through GABAergic enhancement; chloral hydrate's metabolite trichloroethanol and meprobamate both have sedative-hypnotic actions.
What to do
Avoid combining if possible; if used, give the lowest doses and monitor sedation and breathing. Advise against alcohol and driving.
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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References
Other interactions of Carisoprodol
Other interactions of Chloral hydrate
- Calcium / magnesium / potassium / sodium oxybates + Chloral hydrate Contraindicated
- Chloral hydrate + Sodium oxybate Contraindicated
- Alfentanil + Chloral hydrate Major
- Alprazolam + Chloral hydrate Major
- Amobarbital + Chloral hydrate Major
- Belladonna and opium + Chloral hydrate Major
Frequently asked questions
Can I take Carisoprodol with Chloral hydrate?
MediHelp rates the interaction as major. Carisoprodol and Chloral hydrate 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. Both are sedative agents, and combined use may cause profound sedation and respiratory depression. The risk is greater in elderly patients and with higher doses.
How serious is the interaction between Carisoprodol and Chloral hydrate?
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 combining if possible; if used, give the lowest doses and monitor sedation and breathing. Advise against alcohol and driving.
What other medicines interact with Carisoprodol?
MediHelp also lists interactions of Carisoprodol with, for example, Alfentanil, Alprazolam, Amobarbital. The full list is on the Carisoprodol page.
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