Jul 27, 2017 · When is a Fever Dangerous in Adults? but there are other medical problems such as autoimmune disorders and severe dehydration that can trigger a fever. In a healthy adult, a normal, oral temperature reading should be above 97 degrees F, but below 99 degrees F. One degree above 99 degrees F is considered a fever in an adult.
Oct 07, 2016 · A fever isn’t always a problem. Defined as a temporary increase in body temperature, a fever is just a symptom, not an illness. In fact, sometimes a fever can be a good thing: It’s often a sign that your body is fighting an infection or illness. But how do you know when a fever is dangerous? When is it time to see a doctor for a high.
Oct 07, 2018 · A fever is a body temperature above 100.4°F. A normal oral temperature for a resting, healthy adult is about 98.6°F (37°C) (for someone over 70 normal temp is 96.8°F (36°C)). Your temperature can go up or down 1 to 2 degrees throughout the day. Fever is a sign of inflammation or infection and is a common symptom of illness. Fever is not a.