Symptoms and Causes

Overview Pericarditis involves inflammation of the pericardium, the protective sac that surrounds the heart. When this thin tissue becomes irritated and swollen, it often causes sharp…

What Is a Chronic Cough? A chronic cough persists for eight weeks or longer in adults, or four weeks in children. This isn’t just a minor…

What Is Tetanus? Tetanus is a dangerous nervous system disease caused by bacteria that make toxins in the body. It makes muscles tighten up, especially in…

Understanding Tongue Cancer Tongue cancer develops when cells grow abnormally in tongue tissues. The tongue is a muscular organ extending from the throat into the mouth….

Understanding SIDS Sudden infant death syndrome (SIDS) refers to the unexpected death of an apparently healthy baby under one year of age, typically during sleep. This…

Overview Atelectasis occurs when a lung or part of a lung collapses because the tiny air sacs (alveoli) lose air. This respiratory condition commonly develops after…

Overview Eosinophilic esophagitis is a long-term immune disorder where white blood cells called eosinophils gather in the food pipe lining. This buildup is a reaction to…

Overview Cradle cap appears as oily or crusty patches on a baby’s scalp. These patches form white or yellow scales that can be difficult to remove….

Overview Urinary incontinence refers to the involuntary loss of bladder control. This common health issue can range from mild to severe. Some people may leak small…

Overview Swimmer’s ear occurs when the outer ear canal becomes infected. The outer ear canal is the path from your eardrum to the outside of your…