Nifurtimox tablets take three days to stop the drug is generally not enough course of treatment, may affect the therapeutic effect, should be according to the specific conditions of continuous medication ranging from 1 to 2 weeks. Nifurtimox tablets are effective against trichomonas, bacteria and Candida that cause infections in women’s reproductive system, and are suitable for trichomonas vaginitis, bacterial vaginosis, Candida vaginitis and corresponding vulvovaginitis, or for urinary tract infections, digestive tract amoebiasis and giardiasis. The course of treatment should be determined according to the type of disease and age, generally vaginal infections or adult gastrointestinal Giardia should be used for 7 days, urinary tract infections can be used for 1 to 2 weeks, gastrointestinal amoebiasis or children’s gastrointestinal Giardia should be used for 10 days, so it is not recommended to stop the drug after 3 days of use. Contraindications include hypersensitivity to nifurtimox and glucose-6-phosphate dehydrogenase deficiency. Adverse reactions to medication include rash, pruritus, nausea, vomiting, dizziness, vertigo, vulvovaginal itching, swelling, and burning sensation. Alcoholic beverages should be avoided during treatment. Specific medication should be administered under the guidance of a specialist.