question: Respected Doctor,I have pain in my stomach near umbical cord and my stool is black in color.My parasitological report says Occult Blood Positve Pus Cell/HPF 2-4 and microbiology report says Stool C/S Salmonella-Shigella spp not isolated after 24 hours incubation at 37 degree I dont have fever nor vomiting just little pain in abdomen and black stool.Any reomendation??