There is no question that tonsillectomies in adulthood can be painful...temporarily. However, numerous tonsillectomies are performed on adults every year and if are indicated should be completed. With adequate pain control and attention to hydration, a more manageable post-operative course is attainable. Best wishes.
I just stuck with the diet they said, just one thing that they never told me. They tell you that you should suck on ice and popcicles and such. At the begining it was fine, but i ended up feeling more pain from cold things after a few days, so the warm things were better for me than the cold. I did use a cold pack on my throat though to help with the pain after waking up. I didnt get much sleep either during that time because of the fear of pain when i woke up.
I have percocet and it worked wonders.
Good luck though!