- Fever – Symptoms & causes – Mayo Clinic
A temperature taken using a mouth thermometer (oral temperature) that's 100 F (37.8 C) or higher is generally considered to be a fever. Depending on what's causing a fever, other fever signs …
Fever treatment: Quick guide to treating a fever – Mayo Clinic
Should you treat a fever or let it run its course? Here's help knowing what to do.
Fever – Diagnosis & treatment – Mayo Clinic
When a fever lasts for more than three weeks — constantly or on several occasions — and there is no clear cause, it's usually called a fever of unknown origin.
Fever: First aid – Mayo Clinic
For a baby who's less than 3 months old and has a fever, get medical help right away. Also, seek emergency medical care for a child who has any of these symptoms after being left in a hot car.
Acute sinusitis – Symptoms and causes – Mayo Clinic
Symptoms that get worse after seeming to get better. A fever that lasts. A history of repeated or chronic sinusitis. See a health care provider immediately if you have symptoms that might mean a serio …
Urinary tract infection (UTI) – Symptoms and causes – Mayo Clinic
Learn the symptoms that may occur if there's an infection in the urinary tract. Also find out what can cause a UTI and how the infection is treated.
What Happens When Your Liver Enzymes Are High?
Discover what happens when your liver enzymes are high and what elevated liver enzymes mean. Learn about the causes and implications of elevated liver enzymes, and explore the next steps for managing …
Miscarriage – Symptoms and causes – Mayo Clinic
Symptoms include: Fever higher than 100.4 degrees Fahrenheit more than two times. Chills. Pain in the lower stomach area. Foul-smelling fluid called discharge from the vagina. Vaginal bleeding. Call y …
Coronavirus disease 2019 (COVID-19) – Symptoms and causes
Pain, such as headaches and body or muscle aches. Fever or chills. Cold-like symptoms such as congestion, runny nose or sore throat. People may only have a few symptoms or none. People who have no sym …
Influenza (flu) – Symptoms and causes – Mayo Clinic
Other common flu symptoms include: Fever. Cough. Headache. Muscle aches. Feeling very tired. Sweating and chills. In children, these symptoms may show up more generally as being fussy or irritable. Ch …
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