C-reactive protein less than 0.5 milligrams per liter indicates that there may not be an infection at the moment, which is normal, but if there are other symptoms, further examination is needed. The normal range of C-reactive protein is usually less than 10 mg per liter. Different hospitals, different instruments and different testing methods may have different normal ranges, so refer to your local laboratory report card for details. If it is higher than 10 mg per liter, it proves that the body may have inflammation, or even bacterial infection, at this time you need to take antibiotics and other medicines to carry on the treatment, and common medicines include cefadroxil capsules and so on. CRP will increase rapidly after inflammation, so it is necessary to go to the hospital in time for further examination. If the physical examination found that the reaction protein is elevated, you should consult the doctor in time to clarify the cause of the disease and standardize the treatment. If you have other questions, it is recommended to consult a doctor.