Apr 24, · Headache and fever are common symptoms of a variety of medical conditions. Sometimes people may experience a headache and a fever together. Sometimes, having a headache and a fever at the same time. Never give aspirin to a child or young adult who has a fever. Aspirin can cause an upset stomach and intestinal bleeding. It may also cause Reye syndrome. This is a rare but very serious illness that can affect all organs of the body. But it most often injures the brain and the liver.
Aseptic meningitis (adult) Aseptic meningitis, or viral meningitis, can cause fever, headaches, neck pain, nausea, and more. Cat Fever Care. Cats exhibiting signs of a fever for more than 24 hours or a fever above º F at any point need to see their veterinarian. The veterinarian may conduct tests to determine the source of the fever and take steps to treat the underlying problem. If a bacterial infection is the source, for example, antibiotics may be needed.
Aug 05, · A child has a fever when their temperature exceeds °F (°C). An adult has a fever when their temperature exceeds 99–°F (–°C). What usually causes a fever? Fever occurs when a Author: Krista O'connell. Nov 16, · Normal body temperature is °F (37°C). Fever is generally defined as greater than °F (38°C). What are common causes of a fever? The cause of your fever may not be known. This is called fever of unknown origin. It occurs when you have a fever above ˚F (°C) for 3 weeks or more. The following are common causes of fever.