When I was first diagnosed, I had two colonoscopies six months apart. My GI wanted to ascertain why the medications I was taking seemed not to be working. My symptoms had gotten worse and he wanted to check if there was still inflammation in my TI. He said if there wasn't inflammation or other evidence of Crohn's, then my symptoms were the result of some other problem.
An upper endoscopy is the visualization of the esophagus, stomach, and the duodenum. The GI looks to see if there abnormalities in these organs. Many, but not all, GIs use sedation to do the upper endoscopy. My GI did my upper endoscopy at the same session he did the colonoscopy. The same sedation used for the colonoscopy was used for the upper endoscopy. Not all GIs will do both scopes at the same time. My upper scope revealed lots of problems in my stomach that were related to the inflammation in my small bowel.
I suggest that you talk to your GI and understand his reasons for wanting to do more scopes so soon. Ultimately you don't have to do tests you don't want to. However, if more scopes will help the GI evaluate your current condition so he can treat it more effectively, then it would be worth considering his reasoning.
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CD, Ankylosing Spondylitis, lupus, small fiber peripheral neuropathy, avascular necrosis, peripheral artery disease, degenerative disc disease, asthma, severe allergy and a host of other medical problems.