doctor- i m sumit koul, age 23 yrs.. past two years i m suffering from acne vulgaris... i was being treated with doxy, azithro... then acne started cmng onto my neck nd beneath hair too.. then doctor diagonsed as folliculitus,,, i was treated with isoin 20 mg... sat nd sunday---- 40 mg per day... ryt now i m having the same prob... kindly suggest me