How Long Can a Fever Last?
The duration of a Fever depends on its cause. In most cases, a mild fever caused by a viral infection, like a cold or flu, typically lasts between 2 to 3 days and resolves on its own as the body fights off the infection. However, some fevers may last longer, especially with more severe viral infections such as the flu or COVID-19, where they may persist for up to a week or longer.
If the Fever is caused by a bacterial infection, such as strep throat or pneumonia, it might last several days and often requires antibiotics for treatment. A fever caused by other conditions, such as an autoimmune disease or inflammatory disorders, may last much longer and need specific treatment.
If a Fever persists for more than 3 days, or if it exceeds 103°F (39.4°C), it's important to consult with a healthcare provider to determine the underlying cause. Prolonged or very high fevers may be signs of more serious conditions, including infections that require urgent medical care, or even conditions such as heatstroke, or meningitis.
Additionally, if the Fever is accompanied by severe symptoms like difficulty breathing, chest pain, confusion, or rash, immediate medical attention is essential.