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  1. Bacterial vs. viral infections: How do they differ? - Mayo Clinic

    Nov 25, 2025 · Treating and preventing bacterial and viral infections In some cases, it can be hard to figure out if a bacterial infection or a viral infection is causing your symptoms. Both …

  2. Staph infections - Symptoms & causes - Mayo Clinic

    Dec 16, 2025 · Staph infection symptoms vary depending on where the infection is in the body and how serious it is. Staph skin infections On the skin, a staph infection might be more …

  3. Infectious diseases - Diagnosis & treatment - Mayo Clinic

    Apr 8, 2025 · Viruses, bacteria, fungi and parasites all can cause infections. Find out more about how to prevent and treat these conditions.

  4. Infectious diseases - Symptoms & causes - Mayo Clinic

    Apr 8, 2025 · Symptoms of infectious diseases vary depending on the cause of the infection. But they often include fever and tiredness. Rest and home remedies may clear up mild infections. …

  5. MRSA infection - Symptoms & causes - Mayo Clinic

    Dec 22, 2025 · MRSA infections often occur in healthcare settings, but they can happen anywhere. Find out about symptoms and treatment for this virulent staph infection.

  6. Gonorrhea - Symptoms and causes - Mayo Clinic

    Gonorrhea is a sexually transmitted infection, also called a sexually transmitted disease, caused by bacteria. Sexually transmitted diseases are infections spread mainly by contact with …

  7. Acute sinusitis - Symptoms and causes - Mayo Clinic

    Aug 29, 2023 · Acute sinusitis is an infection caused by a virus. The common cold is most often the cause. Sometimes, sinuses that are blocked for a time might get a bacterial infection.

  8. Ear infection (middle ear) - Symptoms & causes - Mayo Clinic

    Apr 23, 2025 · An ear infection, also known as acute otitis media, is an infection of the air-filled space behind the eardrum, known as the middle ear. Children are more likely than adults to …

  9. Small intestinal bacterial overgrowth (SIBO) - Mayo Clinic

    Nov 11, 2024 · Small intestinal bacterial overgrowth (SIBO) can occur when excess bacteria builds up in the small intestine. Learn more about this bowel disorder.

  10. Strep throat - Symptoms & causes - Mayo Clinic

    Nov 30, 2022 · Learn more about the symptoms, causes and treatment of this throat bacterial infection in children and adults.