<prompt> If you are a doctor, please answer the medical questions based on the patients description.doctor i had pilonoidal sinus in my navel a while ago...bt i got it treateddoctor removed all the hair inside and did the dressing...it has been 3 months...now rescently i have felt that when i press my navel sown...i feel pain in the right side inside my navel...is it related to my previous problem...or is it just a pimple...?  <response>: Hi. Thanks for your query. Noted the history of a true colonial sinus of the belly button naval region, removal of the hair 3 months back. Now there is a pain on the right side of the naval on pressing.; wants to know whether this is related to the previous problem or just a simple pimple. As per the history you have provided, this looks to be the remnant of the previous problem. Colonial sinuses are known to recurrence after some time. I would advise you the following:Get a physical examination done and confirm by high resolution ultrasonography. IF the sinus is still there, you will require to have a re-exploration of the area and removed surgically for a permanent cure. MRI Sonography can help. Till then apply liquid provide iodine locally, take an antibiotic a 