If you are using nifurtimox vaginal soft capsules to treat vaginitis, especially mycosis fungoides, the time of intercourse is as follows: 1. more than three days: if there are no abnormal symptoms such as vaginal itching, vulvovaginal itching, discharge odor, etc., it is recommended to stop the medicine for more than three days before having sex. 2. more than three months: if the mycosis fungoides is serious and recurs more than three times a year In this case, it is recommended to use the medicine for three months continuously, one week of vaginal each month. In addition, you should not have any sexual life during the medication period, that is, you should not have sexual life during the three months. If the vaginitis is mild and comes back once in a while, you can also wait until your period is completely clean and go to the hospital to have your leukorrhea checked. If the results are normal and there are no symptoms, it will be better to have intercourse again.