Introduction: Neonatal abstinence syndrome (NAS) refers to a newborn neurological, gastrointestinal and/or respiratory disorder if a newborn was exposed to psychoactive substances in the intrauterine period. NAS is difficult to diagnose due to unreliability of the data on addictive substances use during pregnancy, limited possibilities of the prenatal exposure diagnosis and postnatal substance detection, which all lead to diagnostic dilemmas.
Objective: The aim of this study was to indicate the problems in patients with early NAS diagnosis in the maternity ward and the importance of clinical presentation used as a guide toward the diagnosis.