Whilst the NHS uses propofol for sedation with colonoscopy there are alternatives. Maybe you could contact the department to discuss? I did find the colonoscopy very uncomfortable and a bit painful without sedation and have had sedation ever since. It's never knocked me out just made me relaxed.
So Harry and family are coming back!
Rupert Lowe and the “rowers” haha
Early reading v continental custom - teachers’ thoughts sought


. I will see how I feel on the day!