Glutathione can be taken for a long time, but it needs to be used under the guidance of a doctor, and the dosage should be reduced or stopped after the condition has improved or healed. 1. Glutathione has the function of regulating autonomic nerves. In clinical practice, it is mainly used in the treatment of neurosis, menopausal syndrome, premenstrual tension syndrome and other diseases of sedation and sleep aid. When the medication is improved or relieved, the dosage should be reduced or stopped under the guidance of the doctor. 2. Prolonged use of the drug may cause stomach discomfort, such as epigastric pain, abdominal distension, nausea, vomiting, etc., and may be accompanied by generalized fatigue, dry mouth, breast swelling, excessive secretion of body oil, weight gain, hair loss and other adverse reactions, such as the occurrence of the above adverse reactions, should be communicated with the doctor in a timely manner, and discontinue the use of the drug if necessary. Although Glutathione can be taken for a long time, it is recommended that patients use the medication under the guidance of a doctor and not on their own to avoid adverse reactions.