Appendicitis blood 20,000 without fever may be related to being in the early stages of the disease, personal constitution and other reasons. Appendicitis 20,000 without fever is a common phenomenon. Not all elevated blood tests, i.e. infections, are followed by fever, and the two are not necessarily related. In some people, due to their physical condition, there may be a marked increase in blood levels without fever, which can be treated according to the normal course of the disease. In addition, the disease may be in its early stages. Although the blood test is obviously elevated, it is considered that there is a bacterial infection. However, due to the body to appear fever needs to be after a certain period of time of pathological changes, resulting in fever has not yet appeared. Fever may appear as the disease progresses, and it is sufficient to treat it according to medical advice. There may also be appendicitis because of abdominal pain, patients take aspirin, ibuprofen and other drugs for pain. These drugs have an antipyretic effect, resulting in no fever. When appendicitis is diagnosed and the blood count is 20,000, timely surgical treatment is recommended to avoid aggravation or leading to chronic appendicitis.