C-Reactive Protein (CRP)

CRP is a protein that your liver makes. Normally, you have low levels of c-reactive protein in your blood. Your liver releases more CRP into your bloodstream if you have inflammation in your body. High levels of CRP may mean you have a serious health condition that causes inflammation.

A number of things may cause your CRP levels to be slightly higher than normal. These include obesity, lack of exercise, cigarette smoking, and diabetes. Certain medicines can cause your CRP levels to be lower than normal. These include nonsteroidal anti-inflammatory drugs (NSAIDs), aspirin, and steroids.