DEFINITION Impacted wisdom teeth are third molars at the back of the mouth that don’t have enough room to emerge or develop normally. Wisdom teeth are the last adult teeth to come into the mouth (erupt). Most people have four…
DEFINITION Idiopathic hypersomnia is asleep disorder in which you’re excessively sleepy during the day. CAUSES SYMPTOMS
DEFINITION Complex regional pain syndrome is an uncommon form of chronic pain that usually affects an arm or a leg. Complex regional pain syndrome typically develops after an injury, surgery, stroke or heart attack, but the pain is out of…
DEFINITION Congenital myasthenic syndromes are hereditary (genetic) conditions resulting from a defect at the junction where your nerve stimulates muscle activity that results in muscle weakness. Congenital myasthenic syndromes may affect your nerve cells (presynaptic), your muscle cells…
DEFINITION Losing a loved one is one of the most distressing and, unfortunately, common experiences people face. Most people experiencing normal grief and bereavement have a period of sorrow, numbness, and even guilt and anger. Gradually these feelings ease, and…
DEFINITION Compulsive sexual behavior is sometimes called hypersexuality, hypersexual disorder, nymphomania or sexual addiction. It’s an obsession with sexual thoughts, urges or behaviors that may cause you distress or that negatively affects your health, job, relationships or other parts of…
DEFINITION Common variable immunodeficiency (CVID) is an immune system disorder in which you have low levels of several of the proteins (antibodies) that help you fight infections. CVID leaves you open to recurrent infections in your ears, sinuses and respiratory…
DEFINITION Idiopathic thrombocytopenic purpura (ITP) is a disorder that can lead to easy or excessive bruising and bleeding. The bleeding results from unusually low levels of platelets — the cells that help your blood clot. Idiopathic thrombocytopenic purpura, which is…
DEFINITION Common warts are small, grainy skin growths that occur most often on your fingers or hands. Rough to the touch, common warts also often feature a pattern of tiny black dots — sometimes called seeds — which are small,…
DEFINITION Congenital adrenal hyperplasia (kun-JEN-ih-tul uh-DREE-nul hi-pur-PLAY-zhuh) is a collection of genetic conditions that limit your adrenal glands’ ability to make certain vital hormones. In most cases of congenital adrenal hyperplasia, the adrenal glands don’t produce enough cortisol. The production…
DEFINITION An incompetent cervix, also called a cervical insufficiency, is a condition that occurs when weak cervical tissue causes or contributes to premature birth or the loss of an otherwise healthy pregnancy. Before pregnancy, your cervix — the lower part…
DEFINITION Indigestion — also called dyspepsia or an upset stomach — is a general term that describes discomfort in your upper abdomen. Indigestion is not a disease, but rather some symptoms you experience, including abdominal pain and a feeling of…