While on holiday with our 3 week old son (who is now 8 months )he got very hot at first we thought it was colic as he was crying alot then we thought the room was to warm. We was still cocerned so we took him to a doctors and he sent us to the hospital to put our minds at rest. After a few very upsetting tests they found that he had a kydney infection. Acting as quick as we did saved him from having very serious complications later. He is now on medicine for a couple of years and has to have a urine test every 3 months hoping it will rectify itself. I just want you all to be aware that if your baby does get to hot and you are concerned dont hesitate to get it checked your not being over protective your just being a mum.