I had a colonoscopy on Tuesday. The nurse tried the IV on the inside of my elbow, she felt she hit a valve, so changed the iv to the top of my hand. All went well, then Friday morning the site on my hand felt itchy......I scratched gently & then the itching went all the way up to just above my elbow. It is now all bumpy from my hand to just above my elbow. Itchy, but not terribly so.