The colloidal silver is an antibiotic so that should help any infection. The Iodine may help or may not try it and find out.
Intestinal problems, whether in the stomach, duodenum or colon must be addressed with a good antiparasite program and liver decongestion. That eliminates the underlying cause of the trouble.
Stay away from the drugs. Get some of Barefoots DeWormer and plan your liver decongestion regime accordingly.