Back folliculitis has more causes, the most common is Staphylococcus aureus infection, some patients can be fungal infection, need to take appropriate treatment measures under the guidance of a doctor according to different causes: 1, Staphylococcus aureus infection: treatment can be oral azithromycin, topical mupirocin ointment, pay attention to diligent bathing, diligent change of clothes, generally about 1 week can be cured; 2, fungal infection: common Malassezia folliculitis The effect of using ordinary antibiotic ointment is not very good, you need to switch to antifungal drugs, such as itraconazole oral or topical ketoconazole lotion, with topical bifenbendazole cream. For very serious patients, you can go to the hospital to change the medication, apply topical ichthyolite ointment, and also physical therapy, such as ultrashort wave and infrared irradiation. There are very many causative agents of folliculitis, and the above are just two common ones listed. The actual fact is that you can find a lot of people who have been in the business for a long time, and they’ve been in the business for a long time.