Onychomycosis among Patients with Schizophrenia and Comorbid Substance Use Disorders

Petranka Chumpalova, Valentin Valtchev, Maya Stoimenova-Popova, Ludmil Tumbev

Abstract: Onychomycosis is the most common nail disease in the world and represents half of all onychopathy cases. An object of the study are nail materials from modified nails of patients with schizophrenia with/without comorbid substance use disorder (SUD). The examination for mycotic pathogens has been conducted using a native substrate containing 30 %, a test on Sabouraud Agar, test on DERMASEL SELECTIVE AGAR. Among patients in the group with schizophrenia and comorbid SUD, there are 13 cases of onychomycosis (25, 5 %), and in the control group with schizophrenia without SUD 3 (9, 1 %) (

Keywords: onychomycosis, dermatophytes, schizophrenia, comorbid substance use disorders