I work for myself <a href="http://kreando.net/stmap_41z8isn.html?spiriva.erexin-v.viagra" rel="nofollow">how to get help to pay for prescription drugs</a>  Your doctor will perform one or more tests to determine whether you are suffering from Crohn's disease. Colonoscopy is the most common test. This test is used to look inside your rectum, colon and part of the small intestine. A tissue sample will be taken. This will help to determine if you have some other disease. Since bleeding is one of the symptoms, blood tests will be done. This is to find out if bleeding has caused a low blood count. Laboratory tests can also confirm that there is inflammation.