Large glands, swollen tonsils and dehydration are common symptoms of tonsillitis in children.
This boy of 10 has glandular fever. He has a very sore throat and therefore has been unable to drink enough. The glands in his neck are large and tender. He is clearly dehydrated. See how dry his lips are. Inside his mouth, you can see that his tonsils are clearly swollen, and you can see a white layer of pus. This girl also has very swollen tonsils with plugs of pus.