Restarting a acne treatment..?

Jacob Lee Asked: Restarting a acne treatment..?Hello, im prescribed an acne treatment of minocycline, tretinoin 0.1%, and purpose facial cleanser, and have been using all of these for over a year and after awhile my face started to get better. So when I ran out of tretinoin this last time I just continued with everything else but afer awhile I could see I was starting to break out. I now have gotten some more tretinoin but it seems to not be helping. Does it need more time now to start helping again because of the discontinued use? Or is it just not working for me anymore? And will I have to

acne