hello doctor,i wud be vry grateful if u cud help me with my problem.I m a 21 yr old unmarried female,doing mbbs, diagnosed with acne vulgaris for the past 7 yrs,my acne is cystic,with many comedones,i have seen many dermatologists and have used erytop gel,benzoyl peroxide,kojal creme,contactubex,adaferin,clindamycin,and oral minocycline.But my problem persists and i m vry depressed due to this,i feel vry low and have cut out my social life. Now i m using isotretinoin 20mg tablets as a 4 month treatment,is this a permanent solution? after using it for a month the oiliness of my face has reduced,but the acne persist. also does this tablet hav any side effects like menstrual problems? i havent encounterd any still,but i m scared. plz help me doctor.