It could be a yeast infection. Does it itch? The massive dose of antibiotics you get before/during surgery can cause an imbalance of your normal body flora (the bacteria and yeast that naturally live on your body). That can allow yeast to grow, particularly in areas where skin presses against other skin.
If it's yeast you can treat with lotrimin cream - if it's really itchy the doctor can prescribe an antifungal with steroid.
HTH!
__________________
Alyson Banded 12/18/07 by Dr William Neal, Olympia, WA
347 / 235 / 140-180?
 | 