Tuberculosis skin test is positive, CT is normal Do you want to take preventive medicine?

Tuberculosis skin test generally refers to PPD skin test. Whether patients with a strong positive PPD skin test and normal chest CT results need to take anti-tuberculosis drugs should be judged on a case-by-case basis.

1. The situation that does not need to take anti-tuberculosis drugs

1. PPD skin test: PPD skin test is a method used to detect the presence of Mycobacterium tuberculosis infection in the body, if the patient's PPD skin test results are strongly positive, and the chest CT examination results are also normal, it means that there is no active tuberculosis focus in the body, at this time no special treatment can be carried out, but it is necessary to pay attention to regular reexamination.

2. CT examination: If the patient's chest CT examination results show that there are small fibrotic lesions in the lungs, but there are no obvious clinical symptoms and no lung function is affected, no special treatment is required, and anti-tuberculosis drugs are not needed.

2. The need to take anti-tuberculosis drugs

If the patient's chest CT examination results show that there is a large fibrotic lesion in the lungs, accompanied by cough, sputum and other symptoms, it is necessary to use anti-tuberculosis drugs such as isoniazid tablets and rifampicin capsules under the guidance of a doctor.

It is recommended that patients seek medical attention in a timely manner, improve relevant examinations under the guidance of doctors, and follow the doctor's instructions for targeted treatment after clarifying the cause. At the same time, patients also need to pay attention to maintaining good living habits, avoiding overwork and staying up late, so as not to aggravate the condition.