2022年5月7日 · 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.

2024年10月17日 · The inflammation from meningitis most often triggers symptoms such as headache, fever and a stiff neck. Viral infections are the most common cause of meningitis in the United States. Bacteria, parasites and fungi also can cause it.

2022年2月26日 · A fever is a common sign of illness, but that's not necessarily a bad thing. In fact, fevers seem to play a key role in fighting infections. So should you treat a fever or let the fever run its course? Here's help making the call.

2023年12月2日 · Rheumatic fever is an inflammatory disease that can develop when strep throat or scarlet fever isn't properly treated. Strep throat and scarlet fever are caused by an infection with streptococcus (strep-toe-KOK-us) bacteria.

2023年5月24日 · Fever of 100.4 degrees Fahrenheit (38 degrees Celsius) in newborns up to 12 weeks. Rising fever or fever lasting more than two days in a child of any age. More-intense symptoms, such as headache, throat pain or cough.

2022年8月25日 · Symptoms. There are many different types of Ehlers-Danlos syndrome, but the most common signs and symptoms include: Overly flexible joints. Because the connective tissue that holds joints together is looser, your joints can move far past the normal range of motion.

2022年5月6日 · You have a fever; See your health care provider, preferably within the same day, if: You have a rash that's swollen, tender and warm — and it's expanding — but you don't have a fever

2023年3月3日 · A febrile seizure is a convulsion in a child that's caused by a fever. The fever is often from an infection. Febrile seizures occur in young, healthy children who have normal development and haven't had any neurological symptoms before. It can be frightening when your child has a febrile seizure.

2024年7月17日 · Dengue (DENG-gey) fever is a mosquito-borne illness that occurs in tropical and subtropical areas of the world. Mild dengue fever causes a high fever and flu-like symptoms. The severe form of dengue fever, also called dengue hemorrhagic fever, can cause serious bleeding, a sudden drop in blood pressure (shock) and death.

2024年6月26日 · The Centers for Disease Control and Prevention (CDC) is warning of an increased risk of dengue fever in the U.S. Dengue fever is a potentially life-threatening viral infection transmitted through the bite of infected mosquitoes.