Hydroxychloroquine Tablet has the effect of inhibiting the formation of prostaglandins, phagocytosis and stabilizing lysosomal membranes, and is indicated for rheumatoid arthritis, discoid and systemic lupus erythematosus and chronic joints in adolescents and other diseases. Some patients may experience side effects such as rash, abdominal pain, vomiting, headache, anorexia, vertigo, and sensorimotor disorders after using the drug. Before using the drug, patients should undergo an eye examination, and blood cell counts need to be checked regularly during the use of the drug, and the drug should be stopped immediately if there are any abnormalities. It is contraindicated in patients who have previously suffered from macular diseases of the eyes, children under 6 years of age and those who are allergic to 4-aminoquinolines. If you need to use hydroxychloroquine tablets, it is recommended to go to a regular hospital to consult a doctor and use the drug under the doctor’s guidance, and it is strictly prohibited to use the drug without authorization.