Help please ladies

Latoya • mom to an beautiful baby boy😘
So this post is about my fiance wondering if you ladies might know what problem he has i know you ladies are not doctor"s but you ladies are smart and can might know the problem.. HE will be seeing a doctor Friday!! Everyday at 5:00pm when the sun is down his body his really hot and hes very weak when every i touch his skin he said it hurts... when his body is hot he said he cold .. i dont know whats going on with him ladies ... do you know are have any insight of what this might sounds like??