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By Dr. Zulfikar BuxAssistant Professor of Emergency MedicineWe are currently going through the flu season. For many patients their main complaint is having a fever.Dr. Zulfikar BuxFor the most part, a fever tells you that your body is going through an inflammatory process in reaction to something that can be dangerous to it. This may be an infection or a medication. Some fevers go through their course while others can be very dangerous and life threatening. It is often very difficult to determine which fever can be dangerous. Patients with dangerous fevers sometimes wait too long to seek help and come to the hospital when its already too late. Today we will discuss how to play it safe when you have a fever. This should ensure that you do not take unnecessary risks when you have a fever.What is a fever?A fever is a rise in body temperature that goes above a certain level. The level that is considered a fever depends on how you take the temperature. Here are the values that are considered a fever:Oral (mouth) temperature above 100ºF (37.8ºC)Armpit temperature above 99ºF (37.2ºC)Ear temperature above 100.4ºF (38ºC) in rectal mode or 99.5ºF (37.5ºC) in oral modeForehead temperature above 100.4ºF (38ºC)Rectal temperature above 100.4ºF (38ºC)What is the best way to take my temperature?Armpit, ear, and forehead temperatures are easier to measure than rectal or oral temperatures, but they are not as accurate.Here is the right way to take an oral temperature:Wait at least 30 minutes after you eat or drink anything hot or cold.Wash the thermometer with cool water and soap. Then rinse it.Place the tip of the thermometer under your tongue toward the back. Hold the thermometer with your lips, not your teeth.Keep your lips closed around the thermometer. A glass thermometer takes about three minutes to work. Most digital thermometers take less than one minute.The height of the temperature is less important than how sick you feel. If you think you have a fever and you feel sick, your doctor might want you to double-check by getting an oral or rectal temperature.What causes fever?The most common cause of fever in adults is infection. Common infections that can cause fever include:A cold or the fluAn airway infection, such as bronchitisA stomach bugMost of these infections are not serious and get better on their own.When should I see a doctor?Visit your Doctor if you get a fever and you:Are pregnantRecently got back from a trip from a foreign country or to the interiorAre exposed to farm animals or had a cut which was exposed to stagnant waterJust got out of the hospital, or had surgery or another medical procedureGet infections oftenAre on chemotherapy – Call your doctor or nurse if your oral temperature goes above 100ºF (37.8ºC) for more than one hourTake medicines that suppress the body’s infection fighting system,Authentic MLB Jerseys Online, also called the “immune system” – Examples of these medicines include steroids and medicines used to prevent rejection after organ transplant.Fever that lasts several days or keeps coming backA recent bite from an insect called a tick – Infections you can catch from tick bites can cause fever and other symptoms.A serious health condition, such as diabetes, heart disease, cancer, lupus, or sickle cell anemiaFever plus one or more of these symptoms:RashTrouble breathingSevere headache or neck painSeizure or confusionSevere vomiting or diarrheaSevere pain in the belly, back, or sidesAny other symptom that is unusual or worries youWill I need tests? — Maybe. Your doctor will do an exam and talk with you about your symptoms. You might also have the following tests:Blood testsUrine testsChest X-ray or CT scan – These imaging tests create pictures of the inside of the body.Your doctor will talk to you about any other tests you might need.Can I do anything on my own to feel better?Yes. You can stay home, rest, and drink plenty of fluids. You can also take Paracetamol (Panadol) to relieve your fever.How are fevers treated?That depends on the cause. Many people do not need treatment. If you do, treatments can include:Antibiotics to fight the infection. But antibiotics only work on infections caused by bacteria, not infections caused by viruses. For example, antibiotics will not work on a cold. You should not use antibiotics on your own. It’s best that your doctor prescribe it.Medicines, such as Paracetamoloribuprofen (sample brand names: Advil, Motrin). These medicines can help bring down a fever. But they are not always necessary.By now you should have a better opinion about fever. As always, if you are not sure, visit your doctor for a second opinion.