When Should You Worry About a Fever? Key Signs and Guidelines
Learn when a fever becomes serious and when to seek medical help for both adults and children.
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Fever is often a natural response to infection, but there are times when it requires attention. Adults should worry if the fever exceeds 103°F (39.4°C) or lasts more than three days. Seek medical care for infants under three months with a fever over 100.4°F (38°C), or if a child is excessively irritable, lethargic, or has a rash. Persistent or high fever, specifically with symptoms like severe headache, shortness of breath, or chest pain, warrants immediate medical evaluation for everyone.
FAQs & Answers
- What is considered a high fever in adults? A high fever in adults is generally considered to be a temperature exceeding 103°F (39.4°C). It's important to seek medical advice if this persists or is accompanied by serious symptoms.
- When should I take a child to the doctor for a fever? You should take a child to the doctor if they are under three months old with a fever over 100.4°F (38°C), or if they are excessively irritable, lethargic, or have a rash.
- What symptoms indicate a fever needs immediate medical attention? Fever that is persistent or high, especially if accompanied by severe headache, shortness of breath, or chest pain, requires immediate medical evaluation for all age groups.
- How long can a fever last before becoming a concern? A fever lasting more than three days in adults is a concern and should prompt medical attention.