Can a fever only last a few hours?
The length of a fever can vary significantly – in some cases it can last a few hours, while in other circumstances it can be drawn out over several days. How long a fever lasts depends on its cause and how you care for yourself while you are sick.
What can cause a fever with no other symptoms?
Causes
- A virus.
- A bacterial infection.
- Heat exhaustion.
- Certain inflammatory conditions such as rheumatoid arthritis — inflammation of the lining of your joints (synovium)
- A malignant tumor.
- Some medications, such as antibiotics and drugs used to treat high blood pressure or seizures.
How many days of fever is normal?
Most fevers usually go away by themselves after 1 to 3 days. A persistent or recurrent fever may last or keep coming back for up to 14 days. A fever that lasts longer than normal may be serious even if it is only a slight fever.
Is it normal for fevers to come and go?
Often fevers come with respiratory illnesses including croup, pneumonia and ear infections. The fever goes away as the illness runs its course or, for a bacterial infection, has been treated with antibiotics. Other times, fevers can come and go over weeks at a time.
What is to low of a body temperature?
Hypothermia is a medical emergency that occurs when your body loses heat faster than it can produce heat, causing a dangerously low body temperature. Normal body temperature is around 98.6 F (37 C). Hypothermia (hi-poe-THUR-me-uh) occurs as your body temperature falls below 95 F (35 C).
Can I have a fever and not be sick?
Usually when a person develops a fever, he or she has pain, or cough, or other symptoms that explain why the fever is occurring. But occasionally people develop fevers without an apparent reason. When fevers persist, doctors refer to such a fever as fever of unknown origin.
Why is my fever going up and down?
Recurrent fevers keep happening and coming back over time. A classic fever is also usually linked to an infection or virus. With a recurrent fever, you may have a higher body temperature without any virus or bacterial infection.
