Conditions & Treatments


Calluses are protective pads made up of the thickened upper layer of skin due to repeated rubbing of the area. Corns are small calluses that develop on the top of the toes due to pressure or rubbing against shoes or other toes.


Candidiasis, sometimes called moniliasis or a yeast infection, is an infection caused by yeast on the skin and/or mucous membranes.


Cardiac sarcoma is a type of tumor that occurs in the heart. Cardiac sarcoma is a primary malignant (cancerous) tumor.


Cardiomyopathy is any disease of the heart muscle in which the heart loses its ability to pump blood effectively.


Carotid artery disease, also called carotid artery stenosis, occurs when the carotid arteries, the main blood vessels that carry oxygenated blood to the brain, become narrowed.


Carpal tunnel syndrome is a condition in which the median nerve is compressed as it passes through an opening from the wrist to the hand called the carpal tunnel.


Cat scratches and bites can cause cat scratch disease, a bacterial infection carried in cat saliva.


Celiac disease is a digestive disease that damages the small intestine because of a sensitivity to gluten, which is found in wheat, rye, barley, and oats. This hereditary disorder interferes with the absorption of nutrients from food.


Cellulitis is a deep bacterial infection of the skin.


A cerebral aneurysm (also called an intracranial aneurysm or brain aneurysm) is a bulging, weakened area in the wall of an artery in the brain, resulting in an abnormal widening or ballooning. Because there is a weakened spot in the artery wall, there is a risk for rupture (bursting) of the aneurysm.


Cerebral palsy (CP) is a broad term that describes a group of neurological (brain) disorders. It is a lifelong condition that affects the communication between the brain and the muscles, causing a permanent state of uncoordinated movement and posturing.


If abnormal cells on the surface of the cervix spread deeper into the cervix, or to other tissues or organs, the disease is then called cervical cancer, or invasive cervical cancer.


A painful irritation of the cervix, cervicitis often lasts several months or longer, sometimes occurring after childbirth or use of oral contraceptives.


A Chiari malformation is a congenital defect in the area of the back of the head where the brain and spinal cord connect.


Chickenpox is a highly contagious disease, usually associated with childhood. The disease is caused by the varicella-zoster virus (VZV). Transmission occurs from person-to-person by direct contact or through the air.


Cholangitis is an inflammation of the bile duct system that is usually related to a bacterial infection. The bile duct system is the drainage system that carries bile from the liver and gallbladder into the area of the small intestine called the duodenum. The infection may occur suddenly or may be chronic.


Cholecystitis is an inflammation of the gallbladder wall and nearby abdominal lining. Cholecystitis is usually caused by a gallstone in the cystic duct, the duct that connects the gallbladder to the hepatic duct.


Cholera is an acute, infectious disease caused by the consumption of water or food contaminated with the bacterium Vibrio cholerae.


Sometimes called Codman's tumor, a chondroblastoma is a rare type of benign bone tumor that originates from cartilage.


Chondrosarcoma is a type of bone cancer that develops in cartilage cells.


Chronic bronchitis is a long-term inflammation of the bronchi, which results in increased production of mucus, as well as other changes.


Chronic fatigue syndrome (CFS) is a debilitating condition characterized by profound tiredness, regardless of bed rest.


Chronic liver disease is marked by the gradual destruction of liver tissue over time. Several liver diseases fall under this category, including cirrhosis of the liver and fibrosis of the liver.


Chronic lung disease (CLD) is a general term for long-term respiratory problems in premature babies. It is also known as bronchopulmonary dysplasia (BPD).


Chronic lymphocytic leukemia (CLL) is a cancer of the blood in which too many lymphocytes, a type of white blood cell, are produced by the bone marrow and by organs of the lymph system.


Chronic myelogenous leukemia (CML) is a cancer of the blood in which too many granulocytes, a type of white blood cell, are produced in the bone marrow.


COPD is a term that refers to a group of lung diseases that can interfere with normal breathing.


Chronic pain is long-standing pain that persists beyond the usual recovery period or occurs along with a chronic health condition, such as arthritis.


Chronic venous insufficiency occurs when the leg veins do not allow blood to travel back to the heart.


Claudication refers to limping because of pain in the thigh, calf, and/or buttocks that occurs when walking. Claudication may be a symptom of peripheral arterial disease (PAD).


Cleft lip and cleft palate are birth abnormalities of the mouth and lip. Cleft palate occurs when the roof of the mouth does not completely close, leaving an opening that can extend into the nasal cavity. left lip is an abnormality in which the lip does not completely form during fetal development.


Colic is a problem that affects some babies during the first three to four months of life. A child who is otherwise well, who cries or is fussy several hours a day, especially from 6 pm to 10 pm, with no apparent reason, may have colic. he face may be flushed. The abdomen may be tense with legs drawn toward it. The hands may be clenched and the feet are often cold.


Colorectal cancer is malignant cells found in the colon or rectum.


Conduct disorder is a behavior disorder, sometimes diagnosed in childhood, that is characterized by antisocial behaviors which violate the rights of others and age-appropriate social standards and rules.


Congenital anomalies are deformities that are present at birth.


Congenital heart defects occur when the heart or related blood vessels do not develop properly before or at birth.


A congenital heart defect is a problem that occurred as the baby's heart was developing during pregnancy, before the baby is born. Congenital heart defects are the most common birth defects.


Congenital liver defects are rare liver diseases present at birth such as biliary atresia, when the bile ducts are absent or have developed abnormally, and choledochal cyst, a malformation of the hepatic duct that can obstruct flow of bile in infants.


Conjunctivitis, also known as "pink eye," is an inflammation of the conjunctiva of the eye.


Constipation is a condition in which a person has uncomfortable or infrequent bowel movements.


Contact dermatitis is a physiological reaction that occurs after skin comes in contact with certain substances.


Coronary heart disease occurs when cholesterol builds up within the walls of the heart’s arteries (coronary arteries), forming what is called plaque.


The risk for breast cancer, gastrointestinal cancers, and thyroid cancer is increased with Cowden syndrome, a rare autosomal dominant disorder that is also associated with a number of specific noncancerous features.


Also called cradle cap, seborrheic dermatitis in the infant is characterized by fine white scales. Seborrheic dermatitis can also occur in the diaper area, face, neck, and trunk. Seborrheic dermatitis in this age group usually clears within the first year.


Craniosynostosis is a condition in which sutures close too early, causing problems with normal brain and skull growth.


Creeping eruption is a skin infection caused by hookworms, which normally are found on dogs and cats.


Crohn's disease is an inflammatory bowel disease that is a chronic condition that may recur at various times over a lifetime.


Croup is a disease caused by a virus that leads to swelling in the airways and problems breathing.


Cryptosporidiosis is a diarrheal infection caused by the parasite Cryptosporidium.


Cubital tunnel syndrome feels similar to the pain that occurs from hitting the "funny" bone in your elbow. The "funny" bone in the elbow is actually the ulnar nerve, a nerve that crosses the elbow (the ulnar nerve begins in the side of the neck and ends in the fingers).


Cutaneous T-cell lymphoma is a disease caused when T-lymphocytes become malignant and affect the skin. T-lymphocytes are the infection-fighting white blood cells in the lymph system that kill harmful bacteria in the body, among other things.


Cystic fibrosis (CF) is an inherited chronic disease that affects the lungs and digestive system. CF causes the body to produce thick, sticky mucus that leads to progressive lung infection and difficulty gaining weight.


Cystocele is the name for a hernia-like disorder in women that occurs when the wall between the bladder and the vagina weakens, causing the bladder to drop or sag into the vagina.