Objective. A case of dual diagnosis is presented - of schizophrenia concurrent with drug dependence. The problem of diagnostic and therapeutic difficulties is discussed.
Case. A male patient aged 35 years, with schizophrenia and drug dependence.
Commentary. Substance abuse in persons suffering from schizophrenia accelerates the onset of psychosis, and is responsible for a more severe course of the disorder, lack of compliance in the treatment, and frequently also for the patient 's drug resistance.