The time needed to treat blood blisters on the vulva with oral levofloxacin tablets is related to the severity of the disease as well as your own body condition, and it is recommended that you have a review after one week of use to make a judgment based on the results. The appearance of blood blisters on the vulva is usually an abnormal body condition, the use of levofloxacin tablets under the guidance of a doctor for treatment, the general use of the drug does not have a specific period of time standard, you need to use for a period of time to the hospital for a review, according to the therapeutic effect and the physical condition of the body to determine whether to continue to use the drug. Therefore, blood blisters on the vulva should be treated with oral levofloxacin under the guidance of a doctor, and after one week of use, go to the hospital for a review to judge the treatment situation, and adjust the medication according to the recovery conditions. The use of specific drugs need to be taken under the guidance of a doctor.