So last Tuesday/Wednesday he had a very high temperature and what looked like a large mouth ulcer on the inside of the lip (though none in the mouth as far as I could tell - bit hard to persuade him to let me look!). By Thursday the temperature had gone and by Friday so had the ulcer, yet over the weekend and today he has been SO VERY GRUMPY.
Normally he's a sunny little thing, prone to crossness when prevented from eating scissors/climbing in the dishwasher/drawing over himself with felt-tip etc, but for the past week he has been cross and screamy over almost every little thing. I am at a total loss! (And rather at the end of my tether.) Plus he's waking a lot at night (also not really like him).
I've had a look (as much as I can) and I don't think it's teeth - he only has the last 4 molars to come and there's no sign of them, no swollen gums, etc (plus none of the usual teething signs - drooling, chewing fists, pulling ears and so on). His appetite is a bit diminished but he's still eating a fair bit - including crunchy stuff like toast and acidic stuff like mandarins, so I don't think his mouth can be sore.
Any ideas?!?! I'm trying to get a GP appointment but they have no slots for 6 days. TIA! xx