Fever - Symptoms causes - Mayo Clinic 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
Fever: Causes, Symptoms, and Treatment - WebMD A fever is when you have a brief rise in body temperature that’s higher than your normal body temperature It’s also called a high temperature, hyperthermia, or pyrexia
Fever Symptoms Causes: What Is Considered a Fever? A fever is when your body temperature rises higher than normal A fever itself isn’t an illness Rather, it’s a symptom for a wide range of health conditions
Fever - Wikipedia Fever or pyrexia in humans is a symptom of an anti-infection defense mechanism that appears with body temperature exceeding the normal range due to an increase in the body's temperature set point in the hypothalamus
Fever in adults: when to worry - Harvard Health Fever means a body temperature of 100 4° F (38°C) or higher While any temperature above your normal temperature range is considered a fever, there are different levels of fever severity: High-grade: 102 4 to 105 8 F (39 1 to 41 C) If you have a fever over 104°F (40°C), you should call your doctor
Fever Symptoms, Causes, Temperature, Types Home Remedies Get the facts on severe fever treatment (in children and adults) and symptoms Learn about causes of fever, home remedies to bring down a high fever, ways to prevent fever, and find out when to call a doctor