###Human: Painful boil occurred at the site of pilonidal surgery. Is this recurrence of the same? ###Assistant: Hello. Do not worry. I will help you with your problem. As you said, you underwent surgery for pilonidal sinus two times and now you have one boil at the same site. As I can see in the image (attachment removed toprotect patient identity) it can be boil or recurrence of pilonidal sinus that may be due to infection of that local area. I will prescribe you some medicine. Please maintain local hygiene shave your hair in that area. Get back to me after five days. I will add some more medicine and local remedies. Sitz bath in luke water with Betadine twice a day, tablet Augmentin (Amoxicillin and Clavulanic acid)625 mg TDS for five days, tablet Chymoral forte TDS for five days, tablet Serradic P BD for three days, Capsule A To Z OD for 10 days.