V: Mental and behavioural disorders

F20-F29: Schizophrenia, schizotypal and delusional disorders

Schizophrenia, schizotypal, and delusional disorders are a group of mental health conditions characterized by distorted thinking, emotions, and behaviors. These disorders are not spread or transmitted like contagious diseases; instead, they're thought to be caused by a complex interaction of genetics, brain chemistry, and environment. Often, these disorders present with symptoms such as hallucinations, delusions, and thought disorders, which can affect the individual's ability to carry out daily tasks or maintain relationships. Progression and severity of symptoms can vary widely from person to person. The disorders can have a significant impact on multiple systems in the body, particularly the central nervous system. With these conditions, there is often a close interplay between physical health and mental health, underscoring the importance of comprehensive care.