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What Fever Is Dangerous for Adults? A Clear Guide to When to Seek Help
Fever is a natural response to infection, but not every rise in temperature requires a trip to the emergency room. Knowing the temperature range that signals danger, recognizing accompanying symptoms, and understanding when at‑home care is appropriate can prevent complications and reduce anxiety.
How Fever Works
The hypothalamus acts as the body’s thermostat. When it detects pyrogens—substances released by bacteria, viruses, or the immune system—it raises the set point, causing you to feel hot, shiver, and develop a higher core temperature. In most cases, a mild fever (
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