Fever - Symptoms causes - Mayo Clinic A fever is a temporary rise in body temperature 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 Fevers generally go away within a few days A number of
Dengue fever - Symptoms and causes - Mayo Clinic Overview Dengue (DENG-gey) fever is a mosquito-borne illness that occurs in tropical and subtropical areas of the world Mild dengue fever causes a high fever and flu-like symptoms The severe form of dengue fever, also called dengue hemorrhagic fever, can cause serious bleeding, a sudden drop in blood pressure (shock) and death
Scarlet fever - Symptoms causes - Mayo Clinic Learn more about the symptoms, causes, complications and treatment of this strep bacterial infection that causes a red rash, sore throat and high fever
Meningitis - Symptoms and causes - Mayo Clinic Symptoms can be like those of new-onset meningitis But they come on slower and last longer Symptoms may include headache, fever, vomiting and brain fog Fungal meningitis Fungal meningitis isn't common in the United States It may act like bacterial meningitis But symptoms may start slower and build over time
Fever treatment: Quick guide to treating a fever - Mayo Clinic A fever is a common sign of illness But that doesn't always mean it's a bad thing In fact, fevers may help fight infections So should you treat a fever or let the fever run its course? Here's help knowing what to do These suggestions are for people who don't have serious health issues That means they don't have a suppressed immune system, aren't taking chemotherapy medicines and haven't
Hay fever - Symptoms and causes - Mayo Clinic Overview Hay fever, also called allergic rhinitis, causes cold-like symptoms These may include a runny nose, itchy eyes, congestion, sneezing and sinus pressure But unlike a cold, hay fever isn't caused by a virus Hay fever is caused by an allergic response to a harmless outdoor or indoor substance the body identifies as harmful (allergen)
Valley fever - Symptoms causes - Mayo Clinic Symptoms of coccidioidomycosis depend on the form of the infection Valley fever is the first, also called acute, stage of coccidioidomycosis infection This acute illness can become more serious More serious illness includes long-term, called chronic, coccidioidomycosis and coccidioidomycosis that spreads, called disseminated coccidioidomycosis
Familial Mediterranean fever - Symptoms causes - Mayo Clinic Familial Mediterranean fever (FMF) is a genetic autoinflammatory disorder that causes recurrent fevers and painful inflammation of your abdomen, chest and joints FMF is an inherited disorder that usually occurs in people of Mediterranean origin — including those of Jewish, Arab, Armenian, Turkish, North African, Greek or Italian ancestry But it can affect people in any ethnic group FMF is
Valley fever - Diagnosis treatment - Mayo Clinic Diagnosis To diagnose valley fever, your healthcare professional looks at your medical history and your symptoms Valley fever is hard to diagnose based on symptoms because symptoms are often mild and like those of other illnesses Even on a chest X-ray, valley fever can look much like other lung infections such as pneumonia
Fever - Diagnosis treatment - Mayo Clinic To evaluate a fever, your care provider may: Ask questions about your symptoms and medical history Perform a physical exam Take nasal or throat samples to test for respiratory infections Order tests, such as blood tests or a chest X-ray, as needed, based on your medical history and physical exam Because a fever can indicate a serious illness in a young infant, especially two months of age or