Antibiotic-associated diarrhea DefinitionAntibiotic-associated diarrhea occurs when antibiotics disturb the natural balance of "good" and "bad" bacteria in your intestinal tract, causing harmful bacteria to grow beyond their normal numbers. The result is often frequent, watery bow...
How can I make informed decisions about my extremely premature infant? IntroductionThis information will help you understand your choices, whether you share in the decision-making process or rely on your doctor's advice.Key points in making your decisionsIf your infant is born between 22 and 25 completed weeks of pregna...
ACL injury DefinitionExperienced athletes know that injury to the knee's anterior cruciate ligament (ACL) can mean spending the season on the sidelines. While ACL injury is uncommon in the general population, athletes — especially young women who play bas...
Bartholin Gland Cyst What are the Bartholin glands?The Bartholin glands are in a woman's genital area. They are two pea-sized organs under the skin. They are on either side of the folds of skin (labia) that surround the vagina and urethra. Normally, you cannot feel or se...
Pyloric Stenosis What is pyloric stenosis?Pyloric stenosis is a condition in which a baby's pylorus gradually swells and thickens, which interferes with food entering the intestine. The pylorus is the connection between the stomach and the first part of the small int...
Hammer, Claw, and Mallet Toes What are hammer, claw, and mallet toes?Hammer, claw, and mallet toes are toes that do not have the right shape. They may look odd or may hurt, or both. The muscles that control your toes get out of balance and cause the toe to bend into an odd positi...
Mucopolysaccharidosis Type I SynonymsHurler DiseaseGargoylismMPS Disorder IMPS IDisorder SubdivisionsScheie Syndrome (MPS IS)Hurler-Scheie Syndrome (MPS IH/S)Hurler Syndrome (MPS IH)General DiscussionMucopolysaccharidoses (MPS disorders) are a group of rare genetic disorders cau...
Gout What is gout?Gout is a kind of arthritis. It can cause an attack of sudden burning pain, stiffness, and swelling in a joint, usually a big toe. These attacks can happen over and over unless gout is treated. Over time, they can harm your joints, tendo...
Testicular torsion DefinitionTesticular torsion occurs when a testicle rotates on the spermatic cord, which provides blood flow to the testicle. This rotation cuts off the flow of blood and causes sudden, often severe pain and swelling. Testicular torsion is most commo...
Churg-Strauss syndrome DefinitionChurg-Strauss syndrome is a disorder that causes inflammation in blood vessels (vasculitis), which restricts blood flow to various organs. Although the disease may involve any organ, most commonly it affects your lungs and skin. The restric...
Astigmatism DefinitionAstigmatism is a mild and easily treatable imperfection in the curvature of your eye. The condition can cause blurred vision.Astigmatism occurs when the front surface of your eye (cornea) or the lens, inside your eye, has a slightly differe...
Night terrors DefinitionNightmares are a nearly universal experience for young children. A few kids experience more-intense scary dreams known as night terrors. Kids who have nightmares typically wake up frightened and look for reassurance, eager to share vivid de...
Galactosemia SynonymsGalactose-1-Phosphate Uridyl Transferase DeficiencyGALT DeficiencyClassic GalactosemiaGalactokinase deficiencyGalactose-6-phosphatase emirase deficiencyDisorder SubdivisionsNoneGeneral DiscussionGalactosemia is a rare, hereditary disorder of ...
AIDS-related lymphoma: Treatment - Patient Information [NCI PDQ] AIDS-Related Lymphoma Treatment (PDQ®)General Information About AIDS-Related LymphomaAIDS-related lymphoma is a disease in which malignant (cancer) cells form in the lymph system of patients who have acquired immunodeficiency syndrome (AIDS).AIDS...
Argininosuccinic Aciduria SynonymsASL DeficiencyArginino Succinase DeficiencyASA DeficiencyArgininosuccinate Lyase DeficiencyDisorder SubdivisionsNoneGeneral DiscussionArgininosuccinic aciduria is a rare inherited disorder characterized by deficiency or lack of the enzyme arg...
Mastitis DefinitionMastitis is an infection of the breast tissue that causes pain, swelling and redness of the breast. Mastitis most commonly affects women who are breast-feeding, although in rare circumstances this condition can occur outside of lactation. O...
Intracranial hematoma DefinitionAlthough head injuries can be minor, an intracranial hematoma is a serious and possibly life-threatening condition that often requires immediate treatment.Your brain floats within your skull, surrounded by fluid that cushions it from the bo...
Rehabilitation for a meniscus tear IntroductionA meniscus tear is a common knee joint injury. How well the knee will heal and whether surgery will be needed depends in large part on the type of tear and how bad the tear is. Work with your health professional to plan a rehabilitation p...
Velocardiofacial Syndrome SynonymsShprintzen SyndromeConotruncal Anomaly Face SyndromeCraniofacial SyndromeDisorder SubdivisionsNoneGeneral DiscussionVelocardiofacial syndrome, (VCFS), a rare genetic disorder, is characterized by abnormalities of the head and facial (craniofa...
Melanoma DefinitionMelanoma, the most serious type of skin cancer, develops in the cells that produce melanin — the pigment that gives your skin its color. Melanoma can also form in your eyes and, rarely, in internal organs, such as your intestines. The...
