A fever is a temporary rise in body temperature. It's one part of an overall response from the body's immune system. A fever is usually caused by an infection.
For most children and adults, a fever may be uncomfortable. But it usually isn't a cause for concern. For infants, however, even a low fever may mean there's a serious infection. Fevers generally go away within a few days.
fever definition, A number of ... Rheumatic fever can cause long-lasting heart damage, including heart valve problems and heart failure. Treatment includes medicines to kill the strep bacteria. Other medicines are used to treat pain and prevent complications. Pneumonia is an infection that inflames the air sacs in one or both lungs.
fever definition, The air sacs may fill with fluid or pus (purulent material), causing cough with phlegm or pus, fever, chills, and difficulty breathing. A variety of organisms, including bacteria, viruses and fungi, can cause pneumonia. Scarlet fever is most common in children 5 to 15 years of age. Although scarlet fever was once considered a serious childhood illness, antibiotic treatments have made it less threatening. Still, if left untreated, scarlet fever can result in more-serious conditions that affect the heart, kidneys and other parts of the body. Hay fever can worsen symptoms of asthma, such as coughing and wheezing.
Sinusitis. Prolonged sinus congestion due to hay fever may increase your risk of getting sinusitis — an infection or inflammation of the membrane that lines the sinuses. Ear infection. In children, hay fever often is a factor in middle ear infection, called otitis media.
