Can tuberculosis be cured?

Written by Han Jian Hua
Infectious Disease
Updated on September 06, 2024
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Early diagnosis and standard treatment can often cure tuberculosis. Tuberculosis requires anti-tuberculosis treatment. Effective anti-tuberculosis treatment must follow five principles: early intervention, proper dosage, combination therapy, regular administration, and full-course treatment to ensure thorough treatment. Consistency is crucial; one must not stop taking medication, substitute drugs, or alter dosages on their own, as doing so not only makes it difficult to cure the disease but also increases the risk of developing drug resistance and complicates treatment further. Additionally, it is important to supplement nutrition appropriately and maintain a healthy diet in daily life. Since tuberculosis is a chronic, debilitating disease, it is advisable to consume foods rich in calories, proteins, and vitamins. Ensuring adequate rest and sleep is vital. Engaging in moderate physical activities, such as outdoor exercises, while avoiding strenuous activities and factors that could exacerbate conditions, such as overexertion, exposure to cold, and catching a cold, is also important.

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Written by Wang Xiang Yu
Pulmonology
1min 17sec home-news-image

Symptoms of tuberculosis

Tuberculosis of the lung presents in many forms, as there are also various types of pulmonary tuberculosis, each exhibiting different symptoms. However, the most common symptoms primarily include coughing and expectoration, which are the most typical manifestations of pulmonary tuberculosis. The cough in pulmonary tuberculosis is generally mild, either dry or producing only a small amount of phlegm. If the tuberculosis is accompanied by cavities, the amount of phlegm may be larger. If there is a bacterial infection in addition to the tuberculosis, the phlegm may become purulent. Some patients with pulmonary tuberculosis may also experience hemoptysis, which can vary in amount from light to severe. A small number of patients may suffer from chest pain and difficulty breathing. Additionally, there are systemic symptoms associated with pulmonary tuberculosis, such as fever (both low and high fever may occur), night sweats, and fatigue, among others.

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Written by Wang Xiang Yu
Pulmonology
1min 14sec home-news-image

Is tuberculosis easily contagious?

Whether tuberculosis (TB) is easily transmitted primarily depends on the source of infection, which refers to the TB patients and the amount of Mycobacterium tuberculosis in their sputum. If TB bacilli can be detected in their sputum, and the quantity is substantial, then their infectiousness is indeed higher. However, if the TB patient has undergone treatment, or if there are only a few TB bacilli in their sputum, or none at all, then their infectiousness may not be as significant. The second factor is the mode of transmission, which mainly occurs through the respiratory tract. If TB patients can be isolated timely, or if they wear masks, and their sputum is properly managed, for example by wrapping the sputum in paper and burning it, then they are less likely to transmit the disease to others. TB generally involves susceptibility issues; even if someone has been vaccinated with BCG or the TB vaccine, they can still be reinfected. Therefore, controlling these three transmission pathways is essential to minimize the risk of contracting TB.

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Written by Wang Xiang Yu
Pulmonology
57sec home-news-image

Can you get tuberculosis on your own?

This question can be interpreted in two ways. First, whether every individual could potentially contract tuberculosis (TB) – to that, the answer is yes. Tuberculosis is a contagious disease, and we are all susceptible to the TB bacterium. Therefore, there is a chance, in our lifetimes, to be infected by the TB bacterium and consequently develop TB. The second interpretation revolves around whether a person could suddenly develop TB without specific reasons. Generally, this does not happen. In other words, a typical person would not contract TB unless they have been exposed to the TB bacterium. This means one does not contract TB arbitrarily; it occurs only after coming into contact with TB patients or the TB bacterium, leading to an infection in the lungs and resulting in TB.

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Written by Wang Xiang Yu
Pulmonology
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How is tuberculosis transmitted?

How is pulmonary tuberculosis transmitted? First, we need to know the pathogen of pulmonary tuberculosis, which is the tuberculosis bacillus. Tuberculosis bacillus is a type of bacterium that can live in our surrounding environment. Pulmonary tuberculosis also needs a source of infection, that is, a patient carrying the tuberculosis bacillus. The most common source of tuberculosis infection is usually patients with secondary pulmonary tuberculosis. Then, its mode of transmission mainly includes coughing, sneezing, laughing, and talking loudly, which can release the tuberculosis bacilli from the patient into the air, spreading them through droplets. Droplet transmission is the most important route for the spread of pulmonary tuberculosis. Additionally, pulmonary tuberculosis can also be transmitted through other routes such as the gastrointestinal tract or the skin, although these methods of transmission are less common.

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Written by Yuan Lin Yan
Infectious Disease
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Is tuberculosis contagious?

Not all cases of tuberculosis are infectious. Some tuberculosis cases are infectious in the early stages but become non-infectious after proper treatment. Patients with open tuberculosis are highly contagious because their sputum contains tuberculosis bacilli. These bacilli can be released into the air through coughing, sneezing, laughing, or loud speaking, and can cause infection when inhaled by others. Some tuberculosis patients do not have detectable bacilli in their sputum, and their infectiousness is relatively much lower.