Dantrolene and Diazepam interaction
Dantrolene and Diazepam: both prescribing labels flag this combination with the strongest language, such as a contraindication, a boxed warning, or an instruction to avoid it.
Do not combine without a prescriber's guidance. The label language below is the strongest FDA uses.
What the FDA labels say
From the Diazepam (Valium) label · effective 2026-08-11
Prescribe the lowest effective dosage; avoid or minimize concomitant use of CNS depressants and other substances associated with abuse, misuse, and addiction (e.g., opioid analgesics, stimulants); and advise patients on the proper disposal of unused drug.
Since Valium has a central nervous system depressant effect, patients should be advised against the simultaneous ingestion of alcohol and other CNS- depressant drugs during Valium therapy.
Patients should be advised against the simultaneous ingestion of alcohol and other CNS-depressant drugs during Valium therapy.
From the Dantrolene (RYANODEX dantrolene sodium) label · effective 2024-10-30
The concomitant use of sedative agents with RYANODEX may increase the risk of somnolence and dizziness.
Sedatives : Concomitant use with sedative agents may potentiate their effects ( 7.3 )
Taking more than these two? Interactions stack. Check your whole list at once; it stays in your browser.
Open in the checkerNot medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.