At Which Stage Are Tuberculosis Patients Infectious?

Update Date: Source: Network

Tuberculosis patients are most infectious during the active phase of the disease. During this stage, the number of Mycobacterium tuberculosis in the patient's body is high, and it is easily transmitted to others through the air. Especially when the patient coughs, sneezes, or speaks loudly, bacteria can spread into the air through droplets, and healthy individuals may become infected after inhaling them.

The active phase of tuberculosis is typically characterized by symptoms such as persistent cough, expectoration, fever, night sweats, and weight loss. If you or someone around you experiences these symptoms and has risk factors for tuberculosis, such as exposure to tuberculosis patients or weakened immunity, seeking medical attention promptly is crucial. Doctors will use chest X-rays, sputum tests, and other means to diagnose whether tuberculosis is present.

In terms of treatment, tuberculosis usually requires antibiotic therapy for up to six months or longer. Although it may sound like a long time, adhering to the entire course of treatment is essential to ensure that Mycobacterium tuberculosis in the body is completely eradicated, reducing the risk of recurrence and transmission. The infectivity significantly decreases within a few weeks after treatment begins, but it may take longer to become completely non-infectious.

To protect oneself and others, tuberculosis patients should avoid crowded places during the active phase, wear masks, maintain good personal hygiene habits, and regularly ventilate their living environments. This not only reduces the risk of transmitting the disease to others but also aids in the patient's faster recovery. In summary, understanding the infectious phase of tuberculosis and taking appropriate protective measures are extremely important for everyone, especially patients and their families. Through scientific treatment and good living habits, tuberculosis can be effectively controlled and cured. We hope this article provides you with some practical information and assistance.