What to look for in a cough blood test

Cough blood test is usually to check the blood routine, C-reactive protein, calcitoninogen and so on.
1. blood routine: blood routine can indicate whether the patient has white blood cells, lymphocytes, granulocytes, etc., can initially determine the patient’s possible infections, such as leukocytes obviously elevated often suggests bacterial infections, eosinophils obviously elevated suggests allergies or parasitic infections, and so on.
2. C-reactive protein: commonly used to determine bacterial infection or viral infection. Generally speaking, the obvious elevation of C-reactive protein suggests bacterial infection, and the obvious low level suggests viral infection.
3. Calcitonin: It is also used to indicate bacterial infection or viral infection, generally speaking, the patient’s calcitonin is obviously elevated to indicate bacterial infection.
In addition, according to the patient’s specific situation, may also need to do coagulation tests, large biochemical, respiratory pathogens nine, y-interferon test, G-M test, tumor markers and other tests.
Patients cough need to draw blood tests what items need to be selected under the guidance of the doctor according to the patient’s situation.