Hello, welcome to healthcaremagic. Severe acne can be treated by many ways including drainage and surgical excision, interlesional corticosteroid injection, isotretinoin, oral antibiotics and oral contraceptives as well. The right method can be choosen only after your examination and considering your choice. Subcision surgery is a minimally invasive surgical procedure to help eliminate skin surface imperfections. This procedure takes approximately 15 minutes to 1 hour depending on the areas to be treated. Minor discomfort, bruising and swelling, all of which are normal. You may return to light activities 1-3 days after procedure. So you can talk to your doctor and decide for yourself among the options available to you for treatment. Wish you good health.