If you have a bacterial infection, you need to do a drug sensitivity test. A drug sensitivity test is to take the patient’s secretions or blood and do a bacterial culture, which is to see which bacterial infection is present and to which drug it is sensitive. Therefore, it is very meaningful to do a drug sensitivity test. This is because for a certain bacterial infection, treatment with a sensitive drug usually cures the disease in 3-7 days, which is the most effective treatment. Especially for special bacterial infections, that is, the usual experience with drugs is not effective, the results of drug sensitivity for drug use, the best results, in a very short time, to be able to cure the disease.