 [ Symptoms ] what cold medicine can i safely give to my 10 year old child that is taking concerta [ Disease ] eeeeeesssshhhhh well the high wbc indicates some kind of infection but it doesnt tell u where the infection is the same with the fever and the chills but the blurry vision makes me think that it could be i am not a doctor at all i am just smart when it comes to medical stuff it makes me think that there could be something going on in ur brain but im not a doc have the docs uve been to have the done brain testing if not then ask if they think it could be ur brain cause thats my hunch