
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 …
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 …
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.
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. …
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.
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 …
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.
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 …
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.
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.