Are there some effective ways to clear up acne scars on your back?

Numerous choices: There are a variety of treatments that vary according to the severity of scars: chemical peels, dermabrasion, laser resurfacing, fillers, fat grafting, excision, grafting, etc. However your first goal should be to stop the active lesions by seeing a dermatologist for possible prescriptions, this may take several trials, as well as a good skin care regimen depending on the type of acne and skin.