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- A fever itself isn’t an illness. Rather, it’s a symptom of a wide range of health conditions. When your body temperature rises a few degrees above normal, it can be a sign that your immune system has been activated, often to fight an infection. It can also be a side effect of some medications and vaccinations.
my.clevelandclinic.org/health/symptoms/10880-fever
May 7, 2022 · It's one part of an overall response from the body's immune system. A fever is usually caused by an infection. For most children and adults, a fever may be uncomfortable. But it usually isn't a cause for concern. For infants, however, even a low fever may mean there's a serious infection.
If you have a fever along with any of the following symptoms, go to your nearest emergency room or call 911. It may be a sign of a serious or life-threatening illness. Pain or tenderness in your belly (abdomen). Nausea or vomiting. Severe headache. Stiff neck. Light irritates your eyes (photophobia). Convulsions or seizures. Difficulty breathing.
May 22, 2023 · When to worry about fever. If you have a fever over 104°F (40°C), you should call your doctor. Seek medical help right away if you have a fever along with any of these symptoms: seizure; loss of consciousness; confusion; stiff neck; trouble breathing; severe pain anywhere in the body; swelling or inflammation of any part of the body
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- When you have an illness or infection, your body temperature may rise above its normal range. This is a fever. It could help your body fight back against its cause.
- Most of us learned that a normal body temperature is 98.6 F. But new research shows that was the norm for people in the 1800s. Today, studies show that people may be slightly cooler, so the norm is anywhere between 97 and 99 F.
- If your temperature is higher than normal but it’s lower than 100.4 F, your doctor may say that you have a low-grade fever. A mild illness, like a cold or an ear infection, may cause one.
- If you have a fever, you may feel hot and sweaty. You also might shiver because you feel chilled. Weakness, aches, or fatigue could happen. You may have symptoms of the illness that caused the fever, like a cough or sore throat.
Nov 15, 2023 · Adults. 100.4 F (oral temperature) A low-grade fever is when you have a temperature that is slightly higher than normal, usually around 99.5 to 100.3 F. A low-grade fever signals that something...
Jul 23, 2019 · Overview. Fever is also known as hyperthermia, pyrexia, or elevated temperature. It describes a body temperature that’s higher than normal. Fever can affect children and adults. A short-term...
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Sep 17, 2019 · Characteristics. Types. When it's serious. Causes. Treatments. When to go to the ER. Takeaway. You may need to get plenty of rest and drink fluids to help your body heal. But if you have a high or...
