Is 40.9 a high fever

Low or no data? Visit zero. A fever usually lasts 3—5 days and most people recover from a mild fever by managing their symptoms at home. However, there are times when you should see a doctor urgently for fever.

Fever is a rise in body temperature above the normal temperature, usually caused by infection. There may also be minor fluctuations over the course of the day and night. Most cases of mild fever resolve by themselves within a couple of days. In children between the ages of 6 months and 6 years, fever can trigger convulsions. A fever of Since fever is a symptom and not an illness, the underlying cause must be found before specific treatment can begin.

Is 40.9 a high fever

Back to Health A to Z. A high temperature fever is very common in young children. The temperature usually returns to normal within 1 to 4 days. A normal temperature in babies and children can vary slightly from child to child. Use a digital thermometer, which you can buy from pharmacies and supermarkets, to take your child's temperature. If your child has just had a bath or been wrapped in a blanket, their temperature may be higher for a short time. Wait a few minutes then try again. If your child or baby has a high temperature, you can usually look after them at home. The temperature should go down over 1 to 4 days. Read more about giving medicines to babies and children. A high temperature is the body's natural response to fighting infections like coughs and colds. Many things can cause a high temperature in children, from common childhood illnesses like chickenpox and tonsillitis , to vaccinations.

Try to stay at home and avoid contact with other people until you do not have a high temperature. It will also describe how fever is treated and when it's time to seek emergency medical care. It may make the vaccine less effective.

Back to Health A to Z. Unfortunately, you are using an outdated browser. Please, upgrade your browser to improve your experience with HSE. The list of supported browsers:. This page has general information about fever in adults.

Back to Health A to Z. Unfortunately, you are using an outdated browser. Please, upgrade your browser to improve your experience with HSE. The list of supported browsers:. This page has general information about fever in adults. If you have a child with a fever, see the page on fever in children. A high temperature or fever is when your body temperature is 38 degrees Celsius or higher. It can be a sign that you are unwell.

Is 40.9 a high fever

Top of the page Check Your Symptoms. A fever is the body's normal and healthy reaction to infection and other illnesses, both minor and serious. It helps the body fight infection. A fever is a symptom, not a disease. In most cases, having a fever means that you have a minor illness. When you have a fever, your other symptoms will help you know how serious your illness is. Temperatures in this topic are oral temperatures. Oral temperatures are usually taken in older children and adults.

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This is sometimes called a fever. Other medicine If your doctor gives your child ibuprofen, use it only if your child with a fever is miserable. Pain Management. Place your child on the floor and remove any objects they could knock against. When to see your doctor for fever symptoms You should always consult with your doctor in the following cases: You are still feverish after 3 days, despite home treatment. For smaller children and babies, it's best to err on the side of caution and act when symptoms worry you, no matter what the thermometer says. You will not feel well enough to carry out normal activities. A bacterial infection is less common but is more serious. Was this page helpful? You can't give them both at the same time. If your child has a convulsion you should: Try to stay calm and don't panic. Even an ordinary cold can cause a high fever. If your child has a high temperature, they might: feel hotter than usual when you touch their back or chest feel sweaty look or feel unwell have a seizure or fit, called a febrile seizure Use a digital thermometer, which you can buy from pharmacies and supermarkets, to take your child's temperature.

If you feel like you have a fever, odds are you do! But why is this happening? Could it be a sign of something serious?

Looking after yourself when you have a fever A fever usually lasts 3—5 days and most people recover from a mild fever by managing their symptoms at home. Anything above It will also describe how fever is treated and when it's time to seek emergency medical care. If you are an adult with a fever over F Infectious causes of high fever include:. Sometimes a high temperature in children is associated with more serious signs and symptoms, such as:. Some digital thermometers beep when they're ready. Hyperpyrexia in life-threatening central nervous system infection — it is the timepoint of fever which matters: a plea to select the best timing and optimal methods of temperature management. Another issue. It usually lasts around 3 to 5 days. It's best not to give your child a bath or shower to cool them.