Benzodiazepines Interactions

THC and benzodiazepines are both central-nervous-system depressants and produce additive sedation, ataxia, cognitive impairment, and respiratory slowing. THC and CBD components of cannabis also inhibit CYP3A4, which metabolizes alprazolam, midazolam, and triazolam, potentially raising benzodiazepine plasma levels.

Valerian (Valeriana officinalis) modulates GABA-A receptors, the same target as benzodiazepines, producing additive central nervous system depression. Co-use can cause excessive sedation, impaired psychomotor performance, and prolonged drowsiness, especially with alcohol or in older adults.