STOP — Contraindicated
CONTRAINDICATED — FDA Black Box Warning
Evidence level: STRONG
Methadone with Klonopin carries a Black Box death warning.
FDA Black Box Warning: opioid + benzodiazepine combination.
Do NOT combine.
FDA BLACK BOX WARNING: Combining benzodiazepines with opioids can cause profound sedation, respiratory depression, coma, and death. If both are prescribed, your doctor has determined the benefit outweighs significant risk. Take exactly as prescribed — never take extra doses. Do not drive or operate machinery. Seek emergency help for extreme drowsiness, slow/difficult breathing.
Higher doses, concurrent alcohol
Extreme sedation, respiratory depression, death
FDA Black Box Warning applies.
Opioid combinations carry serious risks including respiratory depression. Talk to your pain management specialist about non-opioid alternatives: physical therapy, NSAIDs (if appropriate), nerve blocks, or non-sedating supplements like PEA (palmitoylethanolamide) or curcumin for inflammation.
Methadone with Klonopin carries a Black Box death warning.
FDA BLACK BOX WARNING: Combining benzodiazepines with opioids can cause profound sedation, respiratory depression, coma, and death. If both are prescribed, your doctor has determined the benefit outweighs significant risk. Take exactly as prescribed — never take extra doses. Do not drive or operate machinery. Seek emergency help for extreme drowsiness, slow/difficult breathing.
Extreme sedation, respiratory depression, death
Opioid combinations carry serious risks including respiratory depression. Talk to your pain management specialist about non-opioid alternatives: physical therapy, NSAIDs (if appropriate), nerve blocks, or non-sedating supplements like PEA (palmitoylethanolamide) or curcumin for inflammation.
FDA Black Box Warning applies.
Or browse the full interaction database (121,000+ pairs).