Fluconazole capsule is used for the treatment of oropharyngeal candidiasis, esophageal candidiasis and other fungal infections of the digestive tract, the dosage of the drug for adults is related to the site of infection, and needs to be analyzed specifically according to the condition. 1. Oropharyngeal candidiasis: patients are advised to take 200mg-400mg for the first time, followed by 100mg-200mg each time, once a day, the course of treatment needs to be taken until the disease is in remission, about 7-21 days. 2. Esophageal Candidiasis: It is recommended that patients take 200mg-400mg for the first time, followed by 100mg-200mg each time, once a day, and the course of treatment needs to be taken until the disease is in remission, about 14-30 days. Elderly people, people with impaired liver and kidney function, children and other special populations need to use the drug with caution according to medical advice. Adverse reactions to fluconazole capsules include headache, nausea, vomiting, diarrhea and abdominal pain. Patients who are allergic to fluconazole and its inactive ingredients, or other azoles are prohibited, patients taking fluconazole capsules are prohibited from taking terfenadine at the same time, prohibited from taking the same time to prolong the QT interval and through the metabolism of the CYP3A4 enzyme, such as quinidine, erythromycin and other drugs. In addition, the administration of fluconazole capsules carries certain risks, and patients need to be guided by a specialist.