Designer drug use as reason for contradictions to work on vessel

Distribution and illegal trafficking of new psychoactive substances, related to designer drugs, create preconditions for growth in the number of potentially drug-addicted patients, including among students of maritime educational institutions and persons, belonging to crew personnel. Signs of drug addiction as well as the presence of drugs in the human body, psychotropic substances and their metabolites during medical check-ups, including chemical-toxicological studies, are the reasons for contradictions to work on the vessel. The article presents the review of a large group of synthetic narcotic drugs, related to designer drugs and differed in structure, mechanisms of toxicity, narcotic potential and behavioral disturbance. Classifications of designer drugs, different aspects of the problem of their use and prevalence in the population are considered. Mechanisms of a toxic effect of most prevalent designer drugs from groups of synthetic cannabinoids, synthetic cathinones and synthetic opioids are discussed.