If it's for nasal they will most likely spray a numbing spray up your nose and then insert a small camera and look around. It's not painful. Hope this helps.
Ditto for the camera up the nose thing. I know my guy sees all the way down to the vocal chords with it. It has a slight after taste that is yucky. That is about it. I will be having that again after my surgery today. I am getting a little weary of it.
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