Hi... I M A Patient Of Acne From Pakistan.. Recently

hi... i m a patient of Acne from Pakistan.. recently i have visited doctor about this matter and in prescription he suggested me ISOTRETINOIN DAXAR 20MG and a gell cream ERYNOCIN GEL .... i m using both medicines for last two weeks ... as u know this is a medicine with heavy side affects so i want to know is this medicine specially DAXAR is helpful in my case and how far is this helpful ... He suggested me to take one capsule in a day and for 46 days...however i have tried to treat my Acne twice before couple of years but it did,t work so this is my last time of treatment .....i m 22 years old ...... i will be gratefull to you