Nifurtimox tablets are clinically recommended to be taken for 7 consecutive days and after meals if used to treat vaginal infections such as trichomoniasis, bacterial vaginosis, and Candida infections. In case of recurrent Candida vaginitis, it is recommended that both spouses use the drug together for treatment. In case of urinary tract infection, it is recommended to take the drug for 1 week continuously and then review the urine routine to see if it has improved or if it has been cured before deciding whether to stop using the drug. If it is used for the treatment of amoebic diseases in the digestive tract, it is recommended to take the drug for 10 days continuously. Therefore, the duration of nifurtimox tablets is different for different diseases, so it is recommended to take it according to the specific situation and follow the doctor’s prescription.