Viral Fever vs Bacterial Fever: How to Understand the Difference
Fever is one of the body's most common responses to infection. An increase in body temperature can occur when the immune system reacts to viruses, bacteria, or other causes. While fever itself is not an illness, the symptoms accompanying it can provide useful clues about what may be happening. One important distinction is whether the infection is viral or bacterial. However, symptoms can overlap, so fever alone cannot reliably determine the cause. Understanding the differences can help you know when supportive care may be appropriate and when medical evaluation is necessary. What is Viral Fever? Viral fever occurs when the immune system responds to a viral infection. Common illnesses such as influenza, common viral respiratory infections, COVID-19, and some mosquito-borne viral infections can cause fever. The body may also develop other symptoms depending on the virus involved. Common Symptoms of Viral Infection Viral infections may be associated with: Fever and chills Tiredness ...