What I want to know is what the danger is of being on opiates when using cocaine ...
Opiate-users add cocaine to combat its sedative effects : more euphoria, less unconsciousness.
The cocaine allows higher doses of opiate to be taken without losing consciousness, but it wears-off quicker than the opiate, then the user is particularly vulnerable to respiratory arrest via the opiate.
[ I read Carrie Fisher, whose cause of death was sleep-apnea, was positive for cocaine & heroin & more ].
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