My son 22, resident of Udaipur, Rajasthan, India, having a case of Recurrent Preauricular Sinus (Lt Ear) and operated three times within 2 months period at Rajasthan Hospitals, Ahmedabad. On 11th August, 2013 he was operated, doctor removed root of the sinus and stitched. On 17th suddenly blooding started and doctor dressed with pressure bandage. On 29th August again non stop blooding started for 2-3 hours, we took him to Ahmedabad and finally doctor blocked his nerve by clipping. My question is : 1) Is there any problem in clipping the nerve ? 2) Will this sinus develop again ?