Fever is a common<unk>  of many medical conditions: * Infectious disease, e.g., COVID-19, Dengue, Ebola, gastroenteritis, HIV, influenza, Lyme disease, rocky mountain spotted fever, secondary syphilis, malaria, mononucleosis, as well as infections of the skin, e.g., abscesses and boils. * Immunological diseases, e.g., relapsing polychondritis, autoimmune hepatitis, granulomatosis with polyangiitis, Horton disease, inflammatory bowel diseases, Kawasaki disease, lupus erythematosus, sarcoidosis, and Still's disease; * Tissue destruction, as a result of cerebral bleeding, crush syndrome, hemolysis, infarction, rhabdomyolysis, surgery, etc.; * Cancers, particularly blood cancers such as leukemia and lymphomas; * Metabolic disorders, e.g., gout, and porphyria; and * Inherited metabolic disorder, e.g., Fabry disease. Adult and pediatric manifestations for the same disease may differ; for instance, in COVID-19, one metastudy describes 92.8% of adults versus 43.9% of children presenting with fever. In addition, fever can result from a reaction to an incompatible blood product. Teething is not a cause of fever.
symptom of Tuberculous meningitis
symptom of Toxoplasmosis
symptom of Eastern equine encephalitis
symptom of Encephalitis
symptom of Syphilis
symptom of Japanese encephalitis
symptom of Neuroleptic malignant syndrome
symptom of Non-Hodgkin lymphoma