Fever is very common and is often accompanied by chills. It is actually a beneficial response that helps the body fight off infections. The other symptoms associated with fever depend on the cause but can include fatigue, joint pains, joint or muscle aches, sinus congestion, cough, nausea, sweating, rapid heart rate, and sore throat, among others.Is a fever a symptom or a sign?
A fever isn't an illness -- it's considered a symptom of one. A fever usually means that the body is fighting an illness and the immune system is working. If your baby has a fever, in most instances it means he has probably picked up a cold or other viral infection.