hi,i have acne problem.an year back i took the treatment..a 1 month course.n the pimples stopped .now they they again errupted .i'm following the same medicines i took at that time...like azee and isotroin 20..can u tell me the dosage .pimples are generally of bigger size and last for 3 to 4 days.then again i get one two pimples again .so always my face is having atleast 2 pimples on average.i cannot avoid this because it takes a very long time for thescar to go even for a small pimple.help me please.