That's what propofol is for. That's what they give you when they have to do fucked up shit to you but want you awake. Like skin debriding after you've had severe burns.
In the medical industry it's known as "milk of amnesia" because it's white and you don't remember.
I've heard of something like this too for popping dislocated joints back into sockets. It sounds super creepy because you apparently still scream out in pain but don't remember it.
In the medical industry it's known as "milk of amnesia" because it's white and you don't remember.