You bet. More than once. One time, we had a patient that was on Tylenol #3 for ages and ages. The Dr put him on Tyl. #2. I wrote "hold" on the back of his card and placed it behind his new ones....
You are not in a new situation at all. I found the longer I was in the nursing profession, the tougher my skin got. I too will make eye contact and that my hearing aids are in A-1 condition, etc....