hello doctor, i am suffering from nodular acne over the cheek and pustule acne under the lips and chin , for the past 8 years. i have taken medications prescribed by doctors, such medications include Doxt -s , Acnestar soap and gel, Benzoyl Peroxide cream, Tretin cream, clindamycin gel. But no fruitful results. Can you please guide me what is the next step i need to proceed to get rid of acne.