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  2. Mar 28, 2024 · You have a moderate to severe fever—usually 102°F and greater. You have a fever that has been persistent (greater than 3 to 5 days). You have a weakened immune system (elderly adults, people with cancer, people on medications that suppress the immune system, people with chronic conditions like diabetes, etc.).

  3. Mar 26, 2024 · A body temperature over 100.4 is considered a low-grade fever; temperatures above 103 are a high-grade fever; and temperatures over 105 become more dangerous, especially if untreated. Infants three months or younger with a rectal temperature over 100.4 should see a healthcare provider.

  4. Mar 27, 2024 · Fever or chills. Cold-like symptoms such as congestion, runny nose or sore throat. People may only have a few symptoms or none. People who have no symptoms but test positive for COVID-19 are called asymptomatic. For example, many children who test positive don't have symptoms of COVID-19 illness. People who go on to have symptoms are considered ...

  5. Apr 2, 2024 · Symptoms. Diagnosis. Treatment. What is a fever? A fever is an increase in your body temperature. Normal body temperature is 98.6°F (37°C). Fever is generally defined as greater than 100.4°F (38°C). What are common causes of a fever? The cause of your fever may not be known. This is called fever of unknown origin.

  6. Mar 26, 2024 · Heat exhaustion and heat stroke. Certain medications can cause a fever, including cephalosporine and Aldomet (methyldopa). Antidepressants can cause serotonin syndrome, a dangerous reaction consisting of muscle rigidity and fevers. Drugs of abuse, such as methamphetamine, can cause a fever too.

  7. I Want To. What Is a Fever? Fevers by Age. Fever Symptoms. Febrile Seizures. Treating a Fever. Fever 101: Everything You Need to Know. Reviewed 3/21/2024. Fevers can happen anytime, and they don’t always mean the same thing. Here’s what to do when your child’s temperature spikes. Calming Your Fever Fears.

  8. 5 days ago · The risk for serious COVID-19 illness depends on your health status, age and activities. Your risk also depends on other factors. This includes where you live, work or learn, how easy it is for you to get medical care, and your economic stability. If you have more than one risk factor, your risk goes up with each one.

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