anesthesia
"Propofol given for colonoscopy.  Awoke quickly and was alert and feeling fine within minutes after the procedure.  On the way home I started sneezing.  I have a very runny nose and have been sneezing for the past 24 hours.  No other signs of a cold.   Was glad to see some others have reported a similar response.  I can't find anything from the medical profession that confirms my connection with the medicine and the side effect."