If neurosis is left untreated, it will be a big health concern for the person. Exhaustion, heart problems, immune system dysfunction, asthma, eczema, and Irritable bowel syndrome are some of the physical complications of neurosis.Perceived and actual marital issues, decreased work performance and occupational failure, and increased vulnerability to conditions like eating disorders, mood disorders, and emotional instabilities are some of the health complications of neurosis. Anxiety, depression, substance use, psychological distress, personality disorders, obsessive disorders, and phobia are some mental complications of neurosis.