🌡️ Understanding Fever and Its Different Causes By Dr. Kamlesh Agrawal Consultant Physician & Critical Care Specialist Radha Krishna Critical Care Hospital, Kota 🔹 English Version What is Fever? Fever is a temporary rise in body temperature, often due to infection or inflammation. It is the body’s natural defense mechanism against invading germs. However, the pattern and associated symptoms — such as chills, rigors, or chronic fever — help in identifying the underlying cause. 🔸 1. Fever with Chills and Rigor (Sudden shaking chills followed by high fever) This usually indicates infection in the blood or acute bacterial infection. Common Causes: Malaria – Characteristic cyclical fever with severe chills and rigors. Septicemia (Blood infection) – Continuous or intermittent high-grade fever with shaking chills. Pyelonephritis (Kidney infection) – Fever with chills, flank pain, and burning urine. Urinary Tract Infection (UTI) – Fever with chills, e...