I have severe back acne and I consulted near by doctor, doctor gave me tablets, spray and cream even after using there is no major change and I still see acne marks in first spell I used 1. Azrithomycin & lactic acid bacillus tablet 250 mg: morning 2. Control inflammation sebum acne, kiwi seed extract: afternoon 3. Clindamycin phosphate topical solution spray: morning 4. Clindamycin and adapalene gel: night 2nd spell 1. clarithromycin tablets: morning and afternoon 2.clindamycin phosphate topical solution spray: morning 3. Clindamycin and adapalene gel: night please let me know should I repeat medicine or should I change.