May be my girl is little at that time. I gave her her pacifier & then she was fine. Didn't cry much. She could eat on the same day already (bottle milk). But she had some fever after a few days, resolved after taking antibiotics.
So, don't worry. As long as your child is willing to take pain-killer, I think there would be no problem.
My son done 增值線手術 when he was 3, he hadn't cried before/after the 手術, after the 手術 he rarely sick and sleep and eat better than before. No more stuffy nose. (before the voice during bed time very very very noisy, really horrible)
Now he is nearly 6 ... I really thanks the doctor