Giardiasis (say “jee-ar-DYE-uh-sus”) is an infection of the intestines caused by the parasite Giardia lamblia.
Vestibular neuritis happens when the vestibular nerve in your inner ear becomes swollen. This nerve carries balance signals from the inner ear to the brain. When the nerve is inflamed, it can make you feel that the room is sp
Tuberculosis (TB) is a bacterial infection that is most often found in the lungs (pulmonary TB) but can spread to other parts of the body (extrapulmonary TB). TB in the lungs is easily spread to other people through coughing or la
Pneumonia is a lung infection that can make you very sick. You may cough, run a fever, and have a hard time breathing. For most people, pneumonia can be treated at home. It often clears up in 2 to 3 weeks. But older adults, babies, and
What are pinworms?
Diverticulitis happens when pouches (diverticula) form in the wall of the colon and then get inflamed or infected.
Guillain-Barré syndrome (GBS) (say "ghee-YAN bah-RAY") is a rare nervous system disorder that results from nerve damage caused by the body's own defenses (immune system), usually in response to an infection or other illness. GBS c
Encephalitis is swelling and irritation (inflammation) of the brain. Inflammation changes the normal blood flow in the brain. This can cause symptoms such as confusion, a fever, a bad headache, and a stiff neck. Sometimes it leads to s
A peptic ulcer is a sore in the inner lining of the stomach or upper small intestine (duodenum). Ulcers develop when the intestine or stomach's protective outer layer is broken down. When this happens, digestive juices can damage
Necrotizing fasciitis is a rare bacterial infection that can destroy skin and the soft tissues beneath it, including fat and the tissue covering the muscles (fascia). Because these tissues often die rapidly, a person with necrotizing
Does using certain contraceptives increase a woman's risk of pelvic inflammatory disease? Learn how to protect yourself against the bacteria that causes this disease.
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