An increased body temperature is a common medical condition known as a fever, which is frequently the result of an infection or disease. Fever is typically a sign of some underlying illness, even if it is not a sickness in and of itself. This page explores the many forms of fever, including their causes, symptoms, and remedies. 1. Acute Fever: Duration: Brief (often no longer than seven days) Causes: Commonly brought on by bacterial or viral illnesses, such as urinary tract infections, the flu, or the common cold. Symptoms: Headache, chills, sweating, muscular pains, and elevated body temperature. Treatment: Rest, fluids, and over-the-counter medications like ibuprofen or acetaminophen. If a bacterial infection is shown to exist, antibiotics may be recommended. 2. Chronic Fever: Duration: (lasting longer than three weeks) Causes: Cancer, autoimmune illnesses, and recurring infections. Symptoms: Exhaustion, weight loss, nocturnal sweats, and a persistently high body temperature.