and symptoms of narcotic/opioid overdose include the following: euphoria , arousable somnolence (" nodding "), nausea , pinpoint pupils (except with Pethidine/Meperidine [ Demerol ]), hypoxia , or in combination with other types of drugs, coma , and seizures . See also Addiction Hard and soft drugs Narc (Narcotics) Narcotics Anonymous