Major
Probable
描述
Quetiapine combined with morphine significantly increases CNS and respiratory depression, creating a high-risk combination for overdose.
机制
Quetiapine has sedative CNS effects via H1, alpha-1, and D2 receptor blockade; additive with opioid mu-receptor-mediated CNS depression.
临床意义
Case series document fatal respiratory depression with opioid-quetiapine combinations; FDA has issued safety communications on antipsychotic-opioid risk.
处理措施
Avoid combination or use with extreme caution; monitor respiratory function closely and provide naloxone access.