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  1. Fever - Symptoms & causes - Mayo Clinic

    May 7, 2022 · 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 …

  2. Fever treatment: Quick guide to treating a fever - Mayo Clinic

    Feb 4, 2025 · Should you treat a fever or let it run its course? Here's help knowing what to do.

  3. Fever: First aid - Mayo Clinic

    Jun 25, 2024 · 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 …

  4. Fever - Diagnosis & treatment - Mayo Clinic

    May 7, 2022 · Write down information about the fever, such as when it started, how and where you measured it (orally or rectally, for example) and any other symptoms. Note whether you or …

  5. Scarlet fever - Symptoms & causes - Mayo Clinic

    Apr 30, 2025 · Learn more about the symptoms, causes, complications and treatment of this strep bacterial infection that causes a red rash, sore throat and high fever.

  6. Meningitis - Symptoms and causes - Mayo Clinic

    Oct 17, 2024 · The inflammation from meningitis most often triggers symptoms such as headache, fever and a stiff neck. Viral infections are the most common cause of meningitis in …

  7. Hay fever - Symptoms and causes - Mayo Clinic

    Aug 13, 2024 · Besides making you miserable, hay fever can affect how well you perform at work or school and can generally interfere with your life. But you don't have to put up with annoying …

  8. Valley fever - Symptoms & causes - Mayo Clinic

    Sep 20, 2025 · If you live in or visit areas where valley fever is common, take steps to prevent infection. The dry season following a rainy season is when the chance of infection is highest.

  9. 7 signs and symptoms not to ignore - Mayo Clinic

    Feb 1, 2025 · Persistent fever can mean you have an infection, including COVID-19. If you have a fever and other symptoms, such as cough and fatigue, contact your health care provider right …

  10. Diverticulitis - Symptoms and causes - Mayo Clinic

    Oct 22, 2024 · This common colon disease develops when small pouches form in the colon wall and become inflamed, causing pain, fever and abnormal stool function.