I Am 27 Yrs Old Male. I Got Lot Of

i am 27 yrs old male. i got lot of pimples on my face from last 10 yrs. i consulted Dr. She prescribed me azifast 500 md thrice a week after lunch and isotroin 20mg, 10mg daily after dinner. and she prescribed me to use cleanser, moisturizer and sun screen lotion to use. and she prescribed me to use deriva bpo daily at nights. i would like to ask are they effective ro get rid of pimples? is there any side effects? Pls suggest me.