If there is a fever, it is usually mild. In general, a fever can be reduced with ibuprofen (Advil, Motrin, Nuprin) or acetaminophen (Tylenol and others). In most cases, a fever will come and go without much intervention from a doctor. It can make you feel quite unwell. Signs and symptoms may appear less than two days after exposure to the virus. It is often accompanied by specific complaints, which may help to identify the illness causing the fever. They may have an extremely high temperature and may not be able to sweat. The onset of the disease, when it is symptomatic, is usually gradual, starting with fever, general weakness, and malaise. Person-to-person infections and laboratory transmission can also occur, particularly in hospitals lacking adequate infection prevention and control measures. Hyperthermia is treated differently than other causes of fever; it is a medical emergency. On rare occasions, travellers from areas where Lassa fever is endemic export the disease to other countries. When young children have a fever, if can be difficult for parents to work out why. A bacterial sinus infection will often persist for seven to 10 days or longer, and may actually worsen after seven days. Observed case-fatality rate among patients hospitalized with severe cases of Lassa fever is 15%. ... and those with a potentially contagious viral haemorrhagic fever. These may include medications to lower fever, help with congestion, soothe a sore throat, or control a runny nose. Under these conditions, the person should go immediately to a hospital's emergency department: A health care professional will ask many questions in an effort to find the source of the fever: A very thorough physical examination will be done in an effort to find the source of the fever. Most fevers come from an infection. Another special medical condition involves hypothalamus regulation. Call the doctor or consider going to an emergency center immediately if any of the following symptoms occur with any fever. When in close contact (within 1 metre) of patients with Lassa fever, health-care workers should wear face protection (a face shield or a medical mask and goggles), a clean, non-sterile long-sleeved gown, and gloves (sterile gloves for some procedures). Clinical symptoms of fever, cough, and sore throat were comparable among the three groups. More specific tests, including imaging tests, may be done if needed if the initial tests do not suggest a cause for the fevers. Redness, swelling, warmth, pus, or pain occurs at the site of the infection. Pyrogens (fever-producing substances) that come from outside the body include the following: Prolonged or persistent fever is fever lasting longer than about 10-14 days; these are usually low-grade fevers. Transient hair loss and gait disturbance may occur during recovery. Depending on the illness, it may be difficult to find the source of the fever. Viral illnesses usually resolve without medical treatment. A feeling of intense tiredness often develops with glandular fever. These devices can be purchased in most pharmacies. Illnesses caused by viruses are among the most frequent causes of fever in adults. On the other hand, with the flu, most people will experience a fever of 100-102 degrees or higher, especially in children. However, other pyrogens can be produced by the body, usually in response to inflammation; these are referred to as cytokines (also termed endogenous pyrogens). Many diseases of the immune system produce fever, because of inflammation. Gatorade or sports drinks will help replace lost electrolytes. Pneumonia with fever can be life threatening in an older person. Acetaminophen is also effective at reducing a fever. Symptoms can be treated using decongestants and anti-fever medications bought over the counter. Use the lowest possible effective dose. Low-grade fevers range from about 100 F-101 F; 102 F is intermediate grade for adults but a temperature at which adults should seek medical care for an infant (0-6 months). This illness usually occurs during the winter. In most cases, except in hyperthermia, acetaminophen or ibuprofen can be given to lower the temperature (see home remedies above). Lassa fever is an acute viral haemorrhagic illness of 2-21 days duration that occurs in West Africa. 38 Doses of aciclovir in VZV encephalitis are similar to HSE. This is common in areas of the U.S. where the deer tick is found. The disease is especially severe late in pregnancy, with maternal death and/or fetal loss occurring in more than 80% of cases during the third trimester. Humans usually become infected with Lassa virus from exposure to urine or faeces of infected Mastomys rats. 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