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Definition Cat scratch disease is an infection you can get after a cat scratches, bites, or licks you. It is caused by bacteria in cat saliva. Cats likely get the bacteria from fleas. Cat-scratch disease is also called cat-scratch fever. It is not a severe illness in healthy people. But …

Definition Cellulitis is a bacterial infection that affects the skin as well as the soft tissues under the surface of the skin. This kind of an infection usually occurs when bacteria enter normal or broken skin and start spreading under the skin into the soft tissues. This causes inflammation and …

Introduction Colon cancer is also called as colorectal cancer. Colorectal cancer is caused by the abnormal growth of epithelial cells which form the lining of the colon or rectum. These small growths (known as polyps) are often benign, although some have the potential to develop and become cancerous. It is …

Introduction Cold sore usually show up on the lips or mouth as a cluster of blisters with a red base. They are also called “fever blisters.” They may be painful and feel itchy, dry, and crusty. If the blisters come back another time, they may cause a tingling feeling before …

Definition Chronic kidney disease (CKD) is defined as the presence of kidney damage, manifested by abnormal albumin excretion or decreased kidney function, quantified by measured or estimated glomerular filtration rate (eGFR) that persists for more than 3 months. CKD is typically a progressive disease. It is defined as Reduction of …

Definition Chlamydia is a common sexually transmitted disease. Chlamydial infection, caused by Chlamydia trachomatis, it can infect both men and women. Women can get chlamydia in the cervix, rectum, or throat. Men can get chlamydia in the urethra (inside the penis), rectum, or throat. Microscopic image of Chlamydia trachomatis in …

Introduction Chronic fatigue syndrome (CFS) is essentially a very debilitating disease that can cause persistent fatigue leading to deterioration of productive activity of the sufferer along with loss of quality of life, mental peace and happiness. It can pose a very serious threat to health. Fatigue, even persistent fatigue, can …

Introduction Cholesterol is a white, waxy, fatty substance. It is made in the liver and released into the bloodstream. You can also get cholesterol from the food you eat. It is a type of fat found in the bloodstream. Your body needs some cholesterol to work effectively. Cholesterol has many …