<s>[INST] I had my gallbladder out last month and an umbilical hernia repaired. I did do some strenuos ab excersise this week but the soreness went away and now I have a ripping sensation right under my belly button and there is a red area that keeps appearing under my belly button about 2 inches straight down. I am also having diarehha now about 30 minutes every time I eat something. I am still able to function and I ran 3 miles today so I am thinking nothing serious but my belly just looks puffy and weird. [/INST] Hi. Thanks for your query and an elucidated history. You have undergone 2 surgeries-one for gall bladder removal and another for umbilical hernia repair. The burning sensation and the red area below the belly button is suggestive there is a nerve entrapment in the hematoma or a stitch or a developing scar. The redness can be due to hematoma below or a mild infection. I would advise in such a case the following:Aspirate the area, see the color, consistence of the fluid, if clear or amber color this is just a Serbia and needs no active treatment If pus like, send the material for culture and sensitivity Start on the antibiotics. And be under observation of a Doctor, do not worry, this will be fine soon. </s>