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Causes of fever in Children include. bacterial infections, such as scarlet fever, or rarely, rheumatic fever (both related to "strep throat"); viral infections, like influenza (the "flu"); medications; illicit drugs; illnesses related to heat exposure; allergies; rarely, inflammatory diseases, like juvenile rheumatoid arthritis.
Influenza is typically accompanied by high fever (103° or 104° F), body aches, fatigue, and upper respiratory symptoms, including cough. RSV usually causes runny nose and cough, but children can get a fever, and 20% to 30% of children have faster breathing due to infection of the lower airways (known as bronchiolitis).
Several studies have documented that peak temperature tends to be in the afternoon and is highest at about 18 to 24 months of age when many normal healthy children have a temperature as high as 38.3 ° C (101° F). However, fever usually is defined as a core body (rectal) temperature ≥ 38.0 ° C (100.4° F).
However, sometimes children with a high fever look surprisingly well. Children may have seizures when their temperature rises or falls rapidly (called febrile seizures Febrile Seizures Febrile seizures are seizures triggered by a fever of at least 100.4° F (about 38° C). Most febrile seizures are harmless and caused by fever resulting from a ...
Fever. A fever is usually caused by infections from viruses (such as a cold or the flu) or bacteria (such as strep throat or some ear infections). The fever itself is not the disease, only a sign that the body’s defenses are trying to fight an infection.
Robert is a 4-year-old boy with recurrent febrile episodes over the past 18 months, with temperatures spiking to 39.5°C to 40°C within a few hours of onset. His episodes recur every 3 to 4 weeks, last 3 to 5 days, and are associated with sore throat, tender cervical lymphadenopathy, and occasionally oral ulcers.
May 3, 2018 · In addition to a fever of 106°F (41.1°C) or higher, symptoms of hyperpyrexia can include: increased or irregular heart rate. muscle spasms. rapid breathing. seizures. confusion or changes in ...