Introduction Fever is a common physiological response defined as an elevation of body temperature above the normal range, typically due to infection or inflammation. It is a sign that the body’s immune system is active, fighting off harmful pathogens like viruses, bacteria, or other disease triggers. While fever is often uncomfortable, it is not always harmful; in fact, a mild to moderate fever can be beneficial, enhancing immune defense. However, fever can sometimes be dangerous or extremely uncomfortable, particularly in infants, the elderly, or individuals with underlying medical conditions. Knowing when to treat a fever and when it is safe…