Pyrexia (Fever): Infectious and Non-Infectious Causes

Infectious Causes

  • Bacterial: pneumonia, UTI, sepsis
  • Viral: influenza, common cold, measles
  • Fungal: candidiasis, aspergillosis
  • Parasitic: malaria, toxoplasmosis

Non-Infectious Causes

  • Autoimmune disorders: rheumatoid arthritis, lupus
  • Cancers: leukemia, lymphoma
  • Medications: antibiotics, chemotherapy drugs
  • Heat stroke
  • Dehydration
  • Hyperthyroidism
  • Addison's disease

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