Diseases & conditions A-Z List
Diseases & Conditions A-Z List - «C»:
Acatheter-associated urinary tract infection (UTI) is an infection that occurs in someone who has a tube (called a catheter) in place to drain urine from the body.
Having a catheter within the urinary tract your chances of an urinary tract infection. It may also make it harder to treat the i...
Cavernous sinus thrombosis
Cavernous sinus thrombosis is a blood clot in the cavernous sinus. The cavernous sinus is a cavity at the base of the brain that contains a vein, several nerves, and other structures. The vein carries deoxygenated blood from the brain and face back to the heart.
The vein and cavity run between the l...
A complete blood count (CBC) test measures the following:
The number of red blood cells (RBCs)
The number of white blood cells (WBCs)
The total amount of hemoglobin in the blood
The fraction of the blood composed of red blood cells (hematocrit)
The CBC test also provides information about the foll...
Carcinoembryonic antigen (CEA) is a protein normally found in the tissue of a developing baby in the womb. Blood levels of this protein disappear or become very low after birth. In adults, an abnormal amount of CEA may be a sign of cancer.
A blood test can be done to measure the amount of CEA in you...
Celiac disease - nutritional considerations
Celiac disease is an autoimmune disorder passed down through families.
Gluten is a protein found in wheat, barley, rye, or sometimes oats (including medications). When a person with celiac disease eats or drinks anything containing gluten, the immune system responds by damaging the lining of the int...
Celiac disease - resources
If you have been diagnosed with celiac disease , it is very important that you receive counseling from a registered dietitian who specializes in celiac disease and gluten-free diets. Such an expert can give you tell you where gluten-free products can be purchased, and will share important resources ...
Celiac disease - sprue
Celiac disease is a condition that damages the lining of the small intestine and prevents it from absorbing parts of food that are important for staying healthy. The damage is due to a reaction to eating gluten, which is found in wheat, barley, rye, and possibly oats.
The exact cause of celi...
Cell phones - do they cause cancer?
Several major studies show no link between cell phones and cancer at this time. However, since the information available is based on short-term studies, the impact of many years of exposure is not known.
The amount of time people spend on cell phones has increased and will be taken into consideratio...
Cellulite is fat that is deposited in pockets just below the surface of the skin. It occurs around the hips, thighs, and buttocks. Because it is very close to the surface of the skin, cellulite leads to a dimpled appearance.
Cellulite may be more visible than fat deeper in the body. Eve...
Cellulitis is a common skin infection caused by bacteria.
Staphylococcus and streptococcus bacteria are the most common causes of cellulitis.
The skin normally has many types of bacteria living on it. When there is a break in the skin...
This article describes the effects of a centipede bite.
This is for information only and not for use in the treatment or management of an actual poison exposure. If you have an exposure, you should call your local emergency number (such as 911) or the National Poison Control Center at 1-800-222-1222...
Central nervous system
The central nervous system is composed of the brain and spinal cord. Your brain and spinal cord serve as the main "processing center" for the entire nervous system, and control all the workings of your body....
Central pontine myelinolysis
Central pontine myelinolysis is brain cell dysfunction caused by the destruction of the layer (myelin sheath) covering nerve cells in the brainstem (pons).
The destruction of the myelin sheath that covers nerve cells prevents signals from being properly transmitted in the nerve. This decreas...
Central serous choroidopathy
Central serous choroidopathy is a disease that causes fluid to build up under the retina, the back part of the inner eye that sends sight information to the brain. The fluid leaks from the blood vessel layer under the retina. This area is called the choroid.
The cause of this condition is un...
Central sleep apnea
Central sleep apnea is when you repeatedly stop breathing during sleep because the brain temporarily stops sending signals to the muscles that control breathing.
Obstructive sleep apnea
Central sleep apnea often occurs in people who have certain medical condi...