​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​Sh​ould I be concerned? this is a diaper from my 18 month old. Hes been running a fever on and off the last 24 hours. We've been alternating the tylenol and ibuprofen.