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
Fever: First aid - Mayo Clinic A fever is a rise in body temperature It's often a sign of infection Fever itself most often is harmless and it may play a role in fighting infection Most fevers don't need treatment The average body temperature is 98 6 Fahrenheit (37 Celsius) But typical body temperature can range between 97 F (36 1 C) and 99 F (37 2 C) or more
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
Fever - Diagnosis treatment - Mayo Clinic For a fever, some basic questions to ask your provider include: What's likely causing the fever? What kinds of tests are needed? What treatment approach do you recommend? Is medicine necessary to lower the fever? Are there any restrictions that I need to follow? Don't hesitate to ask other questions during your appointment as they occur to you
Hay fever - Symptoms and causes - Mayo Clinic 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
Rheumatic fever - Symptoms and causes - Mayo Clinic Rheumatic fever is an inflammatory disease that can develop when strep throat or scarlet fever isn't properly treated Strep throat and scarlet fever are caused by an infection with streptococcus (strep-toe-KOK-us) bacteria
Dengue fever - Symptoms and causes - Mayo Clinic Dengue fever causes a high fever — 104 F (40 C) — and any of the following signs and symptoms: Headache; Muscle, bone or joint pain; Nausea; Vomiting; Pain behind the eyes; Swollen glands; Rash; Most people recover within a week or so In some cases, symptoms worsen and can become life-threatening
Typhoid fever - Symptoms causes - Mayo Clinic Typhoid fever, also called enteric fever, is caused by salmonella bacteria Typhoid fever is rare in places where few people carry the bacteria It also is rare where water is treated to kill germs and where human waste disposal is managed
Yellow fever vaccine (subcutaneous route) - Mayo Clinic Yellow fever vaccine is used to prevent infection by the yellow fever virus This vaccine works by causing your body to produce its own protection (antibodies) against the virus
Dehydration - Symptoms causes - Mayo Clinic In general, the higher the fever, the more severe dehydration might be The problem is even worse when there's fever plus diarrhea and vomiting Even without a fever, people who have a cold or sore throat are less likely to feel like eating or drinking