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If your doctor thinks you may have Crohn's disease, he or she will ask you about your symptoms and do a complete exam to look for signs of the illness.
If your symptoms and exam findings suggest that you have Crohn's disease, your doctor may do some blood tests. While no blood test can prove you have Crohn's disease, your blood might show anemia, salt imbalance, vitamin deficiency or increased signs of inflammation--all possible signs of the disease. Your doctor also may order special x-rays or a procedure called endoscopy. Endoscopy lets your doctor look at your GI tract to check for ulcers by inserting a small scope into your body through your mouth or anus.
