While you can usually tell if your child is hotter than usual by feeling his forehead, only a thermometer can tell you exactly what a child's body temperature is. Even if your child feels hotter than usual, you don't necessarily need to check his temperature unless he has other signs of illness. Temperature readings can be affected by how the temperature is taken and by other environmental factors. Your child's temperature and other symptoms of illness will help your doctor recommend the best treatment for your child. In this article, we'll provide helpful information and learn how to monitor and control your child's temperature.