Fenle generic name hydroxychloroquine sulfate tablets, is the basic medication for lupus erythematosus treatment, usually not easy to stop taking, unless there are serious adverse reactions or contraindications can be discontinued, need to consult a physician before stopping. Hydroxychloroquine sulfate tablets can be used to treat rheumatoid arthritis and systemic lupus erythematosus. The drug is slow acting and usually takes several weeks to stabilize and control the disease. During this period, if there are serious adverse reactions such as retinal hyperpigmentation, visual field defect angle, skin and mucous membrane pigmentation changes, toxic epidermal necrolysis, dizziness, muscle mass atrophy, cardiomyopathy, etc., the drug can be temporarily discontinued, and consult a physician promptly. In addition, if allergic reactions such as skin rash, dyspnea, and other contraindications such as macular disease of the eye are found during the administration of the drug, it is necessary to stop using the drug immediately and consult a doctor. If there is no relief of symptoms for 6 months after administration of the drug, prompt medical attention is recommended. If adverse reactions to hydroxychloroquine occur, consult a physician who can determine whether long-term discontinuation of the drug is necessary and the alternative treatment plan after discontinuation based on the control of the disease and the severity of the adverse reaction. If you need to stop taking the drug, you need to be under the guidance of the clinician, and it is prohibited to stop taking the drug without authorization.