In some instances, oral antibiotics appear to increase the number of Salmonella in the colon — causing colitis and worse

A new finding suggests that oral antibiotics sometimes result in colitis because — they encourage mucosal cells located at the beginning of the large intestine (cecum) — to produce nitric oxide radicals — which oxidize sugars into sugar acids like galactarate — which Salmonella bacteria feed on to expand their trouble causing numbers.