How often does she get it? My daughter had chronic tonsillitis, as in escalating to literally every two weeks on anti biotics, eventually they said she had to have them out. She was resilient to many anti biotics as she'd had it so much and she couldn't keep on taking them. She was about 14 when they said enough.
The day of the operation the surgeon sent her home when he did his pre round, as they were still so infected he couldn't operate, even though she was ok at that point , she had to go onto really strong anti biotics and then come back a week later, to see if it reduced them any.
He did then operate the following week and said he'd never seen anything like it. When he touched the left one it exploded and they sent samples of it for biopsy. As the gunge went down her throat, she was sick as a dog after. It was done under general aneasthetic.
She started getting it at about two or three years old and genuinely all you can do is wait for the anti biotics to kick in, and I speak as someone who had literally years of this. There was times she struggled to breath and there was times I had to emergency register at a doctors if we weren't at home to get her seen to i.e. During bad snow and couldn't get to hospital. Her throat would close up that much.
Soft foods help, nothing to hot, lots of fluids, but it's shit, it really is. Just keep an eye on how it escalates and how often she gets it. They are so reticent to remove them these days, that it gets to such a bad stage before they act and in hindsight I should have pressured them or went private.