There is no clear indication on how long it is best to take cytarabine sodium tablets, clinically the medication time of cytarabine sodium tablets is about three to six months, the specific time should be decided according to the severity of the patient’s condition. Clinically, cytarabine sodium tablets are commonly used in the treatment of neurological sequelae caused by craniocerebral injury or cerebrovascular accident, the main mechanism is to reduce vascular resistance, improve cerebral circulation to promote the recovery of neurological function. Since choline is an important substance in nerve metabolism, it has the effect of nourishing the nerves. Some patients with mild symptoms may take oral cytarabine sodium tablets for about 3 months to relieve symptoms or even cure, at which time the drug can be stopped. For some patients with severe symptoms, the symptoms may still exist after taking cytarabine sodium tablets for 3 months, at this time, it may be necessary to continue to take up to 6 months or so, when the symptoms get better, the drug can be discontinued. If the patient takes the drug during the fever, nausea, diarrhea and blood pressure drop and other adverse reactions, you need to stop the drug and go to the hospital in time to consult a doctor.