Consequences of neurasthenia if untreated: psychological and physiological abnormalities that can be caused, such as decreased self-control ability, irritability, abnormally increased sensitivity to irritants, extreme sensitivity, insomnia, dreaminess, persistent pure headache, dizziness, inattention, memory loss, fatigue, palpitation, loss of appetite, abdominal distension, diarrhea, constipation, frequent urination, menstrual disorder and nocturnal emission. Not every patient has these symptoms, and some only show a few of them, and the severity is different.