Hydroxychloroquine Sulfate Tablets for Radiation-induced Oral Mucositis

Exclusion Criteria

• •Those who are known to be allergic to 4-aminoquinoline compounds or have more serious allergic constitution
• •Had a history of head and neck radiotherapy
• •Patients with non head and neck parts in the radiotherapy area
• •Poor oral hygiene or severe periodontitis
• •Suffering from severe kidney disease, severe cardiovascular disease, myasthenia gravis, Parkinson's disease or epilepsy
• •Recently taking or taking diuretics or other drugs known to interact with hydroxychloroquine sulfate tablets
• •Retinopathy
• •Other patients (combined with any serious other diseases) who the investigator believes are not suitable for participation in this study