8 Warning Signs That May Point to Tuberculosis

Have you ever heard the word “tuberculosis” and immediately felt worried? For many people, TB sounds like an old disease from another era, something serious but distant. Yet tuberculosis is still very real today, and one of the biggest problems is that its early signs can look like an ordinary cough, a seasonal infection, or simple tiredness.

That misunderstanding can delay diagnosis. A cough may be blamed on allergies. Night sweats may be brushed off as a warm room. Weight loss may seem like stress. Fatigue may feel like the cost of a busy life. But when these symptoms linger, especially when a cough lasts for weeks, the body may be warning that something deeper is going on.

Tuberculosis remains one of the world’s major infectious diseases. The World Health Organization reported that 10.8 million people became ill with TB in 2023, and TB caused about 1.25 million deaths that year. In 2024, TB deaths were estimated at 1.23 million, showing that even with progress, the disease still affects millions of families worldwide.

What makes TB especially concerning is how easily people can miss it. TB usually affects the lungs, but it can also involve other parts of the body. Some people develop active symptoms, while others carry latent TB infection without feeling sick. A lingering cough, chest pain, coughing up blood, fever, chills, night sweats, poor appetite, and unexplained weight loss should never be ignored.

In this article, you will discover 8 warning signs that may point to tuberculosis. Some symptoms may seem mild at first, but they can carry an important message. Knowing what to watch for can help you seek testing sooner, protect your health, and reduce the chance of spreading TB to others.

What is Tuberculosis?

Tuberculosis (TB) is a potentially serious infectious disease caused by the bacterium Mycobacterium tuberculosis, which primarily targets and damages the lungs but can also affect other parts of the body like the brain, kidneys, and spine. It is an airborne pathogen, meaning it spreads from person to person through microscopic droplets released into the air.

When an individual with active pulmonary TB coughs, speaks, or sneezes, they expel these bacteria, which can then be inhaled by someone nearby. Unlike many other bacterial infections, Mycobacterium tuberculosis is slow-growing, which is why the disease can develop gradually, and symptoms may not appear for months or even years after initial infection.

The body’s immune system often successfully contains the bacteria, leading to a state of asymptomatic infection. However, if the immune system weakens, these dormant bacteria can become active, leading to the symptomatic and contagious form of the disease. The global impact of TB is immense, with the World Health Organization citing it as one of the top infectious killers worldwide. Its persistence is often linked to factors like poverty, malnutrition, and co-infections, particularly HIV, which significantly weakens the immune system and increases susceptibility to active TB disease.

Two Main Types of Tuberculosis Infection

The two main types of Tuberculosis infection are Latent TB Infection (LTBI) and Active TB Disease, distinguished by whether the bacteria are dormant or actively causing illness. Understanding the difference is fundamental to grasping how TB affects individuals and spreads within communities.

In Latent TB Infection, a person has been infected with Mycobacterium tuberculosis, but the bacteria remain in an inactive or dormant state within the body. The body’s immune system has effectively walled off the bacteria, preventing them from multiplying and causing disease. Consequently, individuals with LTBI do not feel sick, do not exhibit any symptoms, and most importantly, cannot spread the bacteria to others.

They will, however, typically have a positive reaction to a TB skin test (TST) or a TB blood test (IGRA), indicating the presence of the bacteria. While not immediately harmful, LTBI carries the risk of progressing to active disease later in life, especially if the person’s immune system becomes compromised. It is estimated that about one-quarter of the world’s population has latent TB.

More specifically, Active TB Disease occurs when the dormant bacteria from a latent infection become active, either soon after the initial infection or years later. This reactivation happens when the immune system can no longer contain the bacteria, allowing them to multiply and cause tissue damage. This is the stage where the classic warning signs of TB emerge, such as a persistent cough, fever, and weight loss.

A person with active TB disease in their lungs or throat is contagious and can transmit the bacteria to others through the air. A diagnosis of active TB is confirmed through tests like chest X-rays, which may show abnormalities in the lungs, and sputum smears or cultures, which can detect the physical presence of the bacteria. Treatment with a multi-drug antibiotic regimen is essential to cure the disease, prevent further complications, and stop its transmission.

Tuberculosis Transmitting From Person to Person

Tuberculosis is transmitted from person to person almost exclusively through the air when an individual with active pulmonary or laryngeal TB disease expels microscopic droplets containing Mycobacterium tuberculosis. The mechanism of transmission is highly efficient in certain environments and relies on the inhalation of these infectious particles, known as droplet nuclei, by a susceptible person.

When someone with active TB coughs, sneezes, speaks, laughs, or sings, they release these tiny droplets into the atmosphere. While larger droplets fall quickly to the ground, the smaller droplet nuclei, which measure only 1 to 5 microns in diameter, are so light that they can remain suspended in the air for several hours. This prolonged suspension significantly increases the chance of inhalation by others sharing the same airspace. The risk of transmission is not uniform; it depends on several critical factors. The infectiousness of the person with TB is a primary determinant, individuals with more bacteria in their sputum or those who are coughing forcefully are more likely to spread the disease.

Specifically, the environment in which exposure occurs plays a pivotal role in transmission. The risk is substantially higher in indoor settings that are poorly ventilated, overcrowded, and have inadequate sunlight, as UV light can kill TB bacteria. Prolonged, close contact with an infected individual greatly increases the likelihood of becoming infected.

For this reason, household members, coworkers in close quarters, and residents of congregate settings like prisons, homeless shelters, and nursing homes are at elevated risk. It is crucial to dispel common misconceptions about TB transmission. The disease is not spread through shaking hands, sharing food or drink, touching bed linens or toilet seats, or sharing toothbrushes.

The bacteria must be inhaled into the lungs to establish an infection. Once inhaled, the bacteria can settle in the small air sacs of the lungs (alveoli) and begin to multiply. From there, the body’s immune response determines whether the infection is contained (leading to latent TB) or progresses to active disease.

8 Warning Signs of Tuberculosis

Persistent Cough Lasting Three Weeks or Longer

The kind of cough that is a primary warning sign of Tuberculosis is a persistent, chronic cough that lasts for three weeks or longer, often starting as a minor dry cough and progressively worsening. This is the hallmark symptom of pulmonary TB, the most common form of the disease. Initially, the cough may be non-productive, meaning it does not produce any phlegm.

However, as the disease advances and causes more damage to the lung tissue, the cough typically becomes productive, bringing up thick, cloudy, and sometimes discolored sputum. The persistence of the cough is the most critical feature; unlike the cough associated with a common cold or bronchitis, a TB cough does not resolve with time or standard over-the-counter remedies. It lingers and often intensifies, becoming more frequent and disruptive, particularly at night.

The underlying cause of the cough is the body’s inflammatory response to the Mycobacterium tuberculosis bacteria multiplying in the lungs. This inflammation irritates the airways and triggers the cough reflex as the body attempts to clear the passages of mucus, debris, and the bacteria themselves.

More specifically, a particularly alarming development of a TB cough is the presence of hemoptysis, which is the coughing up of blood or blood-streaked sputum. This symptom indicates that the infection has caused significant damage to the lung tissue, eroding into blood vessels. The amount of blood can vary widely, from small streaks mixed in with phlegm to, in severe cases, the coughing up of larger quantities of bright red blood.

While hemoptysis is a frightening symptom, it is not present in all cases of active TB, but its appearance should always be treated as a medical emergency requiring immediate attention. The combination of a chronic cough with the production of sputum, especially if it is blood-tinged, is a classic and highly suggestive sign of active pulmonary Tuberculosis. Any individual experiencing a cough of this nature and duration should seek medical evaluation without delay to rule out TB and other serious respiratory conditions.

Unexplained Weight Loss

This is a significant and unintentional loss of body weight, often referred to as “wasting” or cachexia. It occurs because the chronic infection and inflammation associated with TB increase the body’s metabolic rate, causing it to burn calories at a much faster pace. Simultaneously, other symptoms like loss of appetite contribute to a reduced caloric intake, creating a severe energy deficit that leads to the breakdown of muscle and fat stores.

Persistent Fatigue

The fatigue associated with TB is profound and debilitating. It is not the ordinary tiredness that resolves with a good night’s sleep. Instead, it is a constant state of exhaustion, weakness, and malaise that interferes with daily activities. This profound lack of energy is a direct result of the body diverting immense resources to fight the chronic infection.

Fever

A TB-related fever is typically low-grade and may fluctuate throughout the day. It is often most prominent in the late afternoon or evening. The fever is part of the body’s inflammatory response, triggered by substances called cytokines released by immune cells as they attempt to combat the bacteria.

Night Sweats

One of the most classic symptoms of TB is drenching night sweats. These are not merely mild sweating; individuals often wake up to find their nightclothes and bedding completely soaked, sometimes requiring them to change during the night. The exact mechanism is linked to the body’s fever cycle and its attempts to regulate temperature during the inflammatory response to the infection.

Chills

Chills often accompany the fever cycles. A person may feel intensely cold and shiver uncontrollably, even when in a warm environment. This is the body’s way of generating heat to raise its core temperature during a fever spike.

Loss of Appetite

A noticeable decrease in the desire to eat, known as anorexia, is common in active TB. It is caused by the systemic effects of the illness and the inflammatory cytokines that can suppress the brain’s appetite centers. This symptom directly contributes to the unexplained weight loss.

Chest Pain

Pain in the chest may occur, particularly with breathing or coughing. This type of pain is often described as pleuritic chest pain, indicating inflammation of the pleura, the membranes that line the lungs and the inside of the chest cavity. As the TB infection in the lungs nears this lining, it can cause inflammation, leading to sharp pain with the movement of breathing.

Parts of the Body Affected By Tuberculosis

While Tuberculosis is most commonly associated with the lungs (pulmonary TB), the bacteria can spread from the lungs through the bloodstream or lymphatic system to infect almost any part of the body. This condition is known as Extrapulmonary Tuberculosis.

The signs and symptoms of extrapulmonary TB vary widely depending on the organ system affected and may occur with or without concurrent pulmonary disease. Its diagnosis can be more challenging because symptoms are often non-specific. Several parts of the body can be afflicted, leading to serious health complications. TB lymphadenitis, or scrofula, is the most common form of extrapulmonary TB. It causes painless swelling of the lymph nodes, most often in the neck.

When TB affects the spine, it is called Pott’s disease. It can lead to the destruction of vertebrae, causing severe back pain, spinal deformity, and potentially paralysis. It can also infect other bones and joints, such as the knee or hip.

Besides, TB meningitis occurs when the bacteria infect the meninges, the membranes that cover the brain and spinal cord. This is a life-threatening form of TB that can cause headaches, fever, neck stiffness, and neurological damage if not treated promptly.

Specially, renal TB can damage the kidneys and spread to the bladder, often presenting with symptoms similar to a urinary tract infection, such as blood in the urine and painful urination. In a condition known as miliary TB, the bacteria spread throughout the body via the bloodstream, forming millions of tiny lesions that resemble millet seeds, affecting multiple organs simultaneously.

When to Seek Medical Help?

You should see a doctor for Tuberculosis symptoms if you have a persistent cough lasting three weeks or more, especially when it is accompanied by one or more of the other key warning signs, such as unexplained weight loss, fever, or night sweats. Prompt medical evaluation is crucial because these symptoms, while indicative of TB, can also be caused by other serious medical conditions.

A healthcare provider can perform the necessary diagnostic tests, such as a chest X-ray and sputum analysis, to determine the cause of the illness. Early diagnosis is the most important factor in achieving a successful cure for TB and preventing its spread to family, friends, and the wider community. Delaying a diagnosis allows the bacteria to cause more extensive damage to the lungs and potentially spread to other parts of the body, a condition known as disseminated or miliary TB.

Furthermore, an individual remains infectious to others as long as they have untreated active pulmonary disease. Therefore, acting on these symptoms without delay is a matter of both personal and public health responsibility. It is particularly critical for individuals in high-risk groups to be vigilant and seek care immediately if symptoms appear.

Can Tuberculosis be Cured if Diagnosed Early?

Tuberculosis can be absolutely cured if it is diagnosed early and treated properly with the prescribed course of antibiotics. Active, drug-susceptible TB is a treatable disease. The standard treatment regimen involves taking a combination of several specific antibiotic drugs for a period of six to nine months. The most common first-line drugs include isoniazid, rifampin, ethambutol, and pyrazinamide.

Early diagnosis is the cornerstone of successful treatment because it allows for the initiation of therapy before the bacteria cause irreversible damage to the lungs or other organs and before the bacterial load becomes overwhelming. Starting treatment promptly also rapidly reduces a person’s infectiousness, typically rendering them non-contagious to others within a few weeks of consistent medication. This is vital for breaking the chain of transmission.

More specifically, the success of the cure hinges on strict adherence to the full treatment plan. It is imperative that patients take all of their medications exactly as prescribed by their healthcare provider for the entire duration.

Because the symptoms of TB often begin to improve within a few weeks of starting treatment, some patients may be tempted to stop taking their medication prematurely. This is extremely dangerous. Incomplete treatment can lead to a relapse of the disease and, more alarmingly, can promote the development of drug-resistant TB (DR-TB).

Drug-resistant strains are much more difficult and expensive to treat, require longer courses of more toxic second-line drugs, and have significantly lower cure rates. Therefore, early diagnosis combined with full, uninterrupted adherence to the prescribed antibiotic regimen is the key to a complete and lasting cure for Tuberculosis.

Who is Most at Risk for Developing Active Tuberculosis?

The people most at risk for developing active Tuberculosis are those with compromised or weakened immune systems, as a robust immune response is necessary to keep latent TB infections from becoming active disease.

The single greatest risk factor globally is co-infection with HIV. The HIV virus attacks and destroys CD4 cells, a type of immune cell crucial for controlling the TB bacteria. As a result, people living with HIV are estimated to be 18 times more likely to develop active TB disease than people without HIV.

Similarly, individuals taking immunosuppressive medications are at high risk. This includes organ transplant recipients, people with autoimmune diseases like rheumatoid arthritis or Crohn’s disease who are on drugs like corticosteroids or TNF-alpha inhibitors, and cancer patients undergoing chemotherapy. Any condition that suppresses the body’s natural defenses leaves a person vulnerable to the reactivation of latent TB.

Beyond compromised immunity, several other medical and social factors significantly increase risk. Chronic medical conditions like diabetes mellitus, severe kidney disease, and certain cancers can weaken the immune system and triple the risk of developing active TB. Malnutrition and low body weight are also major risk factors, as a well-nourished body is better equipped to maintain a strong immune defense.

Lifestyle factors play a role as well; tobacco smoking damages the lungs and impairs local immune function, more than doubling the risk of TB. Similarly, alcohol use disorder and intravenous drug use are associated with increased risk. Finally, social and environmental determinants are critical. People who live or work in crowded, poorly ventilated, congregate settings such as prisons, homeless shelters, and long-term care facilities face a higher risk of exposure and transmission.

Additionally, individuals who have recently immigrated from or traveled to countries with high rates of TB are more likely to have been exposed to the bacteria and carry a latent infection.

Tuberculosis Diagnosis

The diagnosis of Tuberculosis (TB) employs a series of tests designed to either detect exposure to the bacteria or confirm an active infection. The initial screening often involves one of two methods: the Mantoux tuberculin skin test (TST) or an Interferon-Gamma Release Assay (IGRA) blood test.

For the TST, a small amount of tuberculin fluid is injected under the skin of the forearm, and the site is checked for a reaction 48 to 72 hours later; a firm, raised bump can indicate exposure. IGRAs are blood tests that measure the immune system’s reaction to TB bacteria and are often preferred as they require only one visit and are not affected by prior BCG vaccination.

If either of these screening tests is positive, further investigation is necessary to determine if the infection is active. A chest X-ray is a common next step, as it can reveal abnormalities in the lungs, such as cavities or infiltrates, characteristic of active pulmonary TB. The definitive diagnosis of active pulmonary TB relies on microbiological tests.

Sputum smear microscopy involves examining a sample of phlegm under a microscope to look for acid-fast bacilli. While fast, this method is not as sensitive as a sputum culture, which is the gold standard. In a culture, the sputum sample is placed in a special medium to grow the bacteria, a process that can confirm the diagnosis and also test for drug resistance, though it may take several weeks to yield results.

The Differences Between Tuberculosis and Other Conditions

Latent TB vs. Active TB

Understanding the distinction between latent TB infection and active TB disease is critical, as it impacts symptoms, contagiousness, and treatment strategies. A person with Latent TB Infection (LTBI) has been infected with Mycobacterium tuberculosis, but the bacteria remain inactive or dormant within their body, contained by the immune system. In contrast, Active TB Disease occurs when the bacteria overcome the immune system’s defenses, begin to multiply, and cause illness.

The fundamental differences between these two states are clear and significant. Individuals with latent TB exhibit no symptoms, feel perfectly well, and are unaware they are infected without a test. Conversely, those with active TB disease typically experience symptoms such as a persistent cough (often with blood), chest pain, weakness, unexplained weight loss, fever, and night sweats.

A person with latent TB is not contagious and cannot spread the bacteria to others. However, an individual with active TB in the lungs or throat is infectious and can transmit the bacteria through the air when they cough, speak, or sneeze.

In both latent and active TB, a TST skin test or an IGRA blood test will usually be positive, indicating the presence of the bacteria. However, a chest X-ray and a sputum smear/culture will be normal for someone with latent TB but will typically be abnormal for someone with active pulmonary TB, revealing lung damage and confirming the presence of multiplying bacteria. Treatment for latent TB is preventative, aimed at stopping the infection from becoming active, while treatment for active TB is curative and more intensive.

Tuberculosis vs. Pneumonia

Tuberculosis and pneumonia are both serious lung infections that can share overlapping symptoms like coughing and fever, but they are fundamentally different diseases in their cause, onset, duration, and treatment. Distinguishing between them is a critical step in providing correct medical care. The primary differences lie in their underlying pathology and clinical progression, which guide the diagnostic approach. Pneumonia is a general term for an infection of the air sacs (alveoli) in one or both lungs, whereas TB is a specific infection caused by the bacterium Mycobacterium tuberculosis.

Pneumonia can be caused by a wide variety of pathogens, including numerous types of bacteria (Streptococcus pneumoniae being the most common), viruses (such as influenza or COVID-19), and fungi. In contrast, Tuberculosis is caused exclusively by bacteria from the Mycobacterium tuberculosis complex.

Furthermore, pneumonia is typically an acute illness, meaning its symptoms develop rapidly, often over 24 to 48 hours, and the illness usually resolves within a few weeks with treatment. Tuberculosis is a chronic disease; its symptoms develop gradually over many weeks or even months and can persist indefinitely without a long course of specific treatment.

While both can cause a cough, fever, and chest pain, the nature of these symptoms often differs. The cough in pneumonia is frequently productive of thick, colored phlegm. The TB cough is characteristically persistent for more than two to three weeks and may eventually produce blood (hemoptysis). Systemic symptoms like night sweats and unexplained weight loss are hallmark signs of TB but are uncommon in typical bacterial pneumonia.

Treatment for bacterial pneumonia usually involves a 7- to 14-day course of broad-spectrum antibiotics. Treatment for active TB is much more prolonged and complex, requiring a specific multi-drug regimen lasting at least six to nine months to eradicate the slow-growing bacteria and prevent the development of drug resistance.

FAQs

1. Can TB be cured permanently?

Yes, tuberculosis can usually be cured with the right antibiotics taken for the full treatment course. Active TB treatment often takes several months because TB bacteria die slowly. The biggest mistake is stopping medicine early once symptoms improve. That can allow the infection to return and may lead to drug-resistant TB, which is harder to treat.

Drug-susceptible TB still has a strong treatment success rate globally. WHO reported an 88% treatment success rate for drug-susceptible TB in 2024, while rifampicin-resistant TB had a lower success rate of 71%. TB is preventable and curable, but treatment must be completed exactly as prescribed.

2. What is the cause of tuberculosis?

Tuberculosis is caused by a bacterium called Mycobacterium tuberculosis. It usually attacks the lungs, but it can also affect the lymph nodes, bones, kidneys, brain, spine, and other parts of the body.

TB spreads through the air when someone with active TB disease in the lungs or throat coughs, speaks, sings, or breathes out tiny infected droplets. People nearby may breathe in the bacteria. TB does not spread through casual touch, sharing food, shaking hands, or sitting on the same toilet seat.

3. What is a TB cough like?

A TB cough often lasts longer than a normal cold or flu cough. Many people describe it as persistent, deep, or worsening over time. It may be dry at first, then later produce mucus or phlegm. Some people cough up blood or blood-streaked sputum, which should always be checked right away.

A cough lasting three weeks or longer, especially with night sweats, fever, chest pain, weight loss, fatigue, or poor appetite, may point to active TB. A lingering cough does not always mean TB, but it should not be ignored when it refuses to go away.

4. Can I kiss my partner if I have TB?

If you have active TB disease in the lungs or throat, close face-to-face contact can put your partner at risk because TB spreads through the air. Kissing itself is not the main issue. The risk comes from breathing close to someone while infectious.

Until a healthcare provider says you are no longer contagious, avoid close contact, sleep separately if advised, wear a mask if recommended, and follow treatment carefully. If you have latent TB infection, you do not feel sick and cannot spread TB bacteria to others.

5. Can you have TB without knowing it?

Yes. A person can have latent TB infection without feeling sick at all. The bacteria stay in the body, but the immune system keeps them inactive. During this stage, there are no symptoms, and the person cannot spread TB to others.

The concern is that latent TB can become active later, especially if the immune system weakens due to illness, age, certain medications, HIV, diabetes, poor nutrition, or other stressors. Testing is the only way to know whether TB bacteria are present.

6. What is silent tuberculosis?

“Silent tuberculosis” usually refers to latent TB infection. The bacteria are inside the body, but they are inactive. A person has no cough, fever, night sweats, weight loss, or other active symptoms. They also cannot spread TB to other people.

Silent TB still matters because it can wake up later and become active TB disease. That is why doctors often recommend treatment for latent TB in people at higher risk. Treating it early can help prevent future illness and reduce the chance of spreading TB if it ever becomes active.

7. Is TB deadlier than COVID?

Globally, TB remains one of the deadliest infectious diseases. WHO estimated that 10.7 million people became ill with TB in 2024 and about 1.23 million people died from it. During the height of the COVID-19 pandemic, COVID caused more deaths in some years, but TB continues to cause a large number of deaths every year, especially where testing and treatment access are limited.

The better question is not which disease is “scarier.” Both can be serious. TB is curable, but delayed diagnosis, incomplete treatment, and drug resistance can make it dangerous.

8. Should I quarantine if I test positive for TB?

It depends on whether you have latent TB infection or active TB disease. If you test positive for latent TB, you are not contagious and usually do not need quarantine. You may still need treatment to prevent active disease later.

If you have active TB in the lungs or throat, you may need isolation until your healthcare team confirms you are no longer infectious. This protects family, coworkers, and close contacts. Follow local public health instructions, take medicine exactly as prescribed, and do not return to close-contact settings until cleared.

9. How long is TB contagious?

Active pulmonary TB is contagious until effective treatment has reduced the bacteria enough that the person no longer spreads them. This timing can vary. Many people become much less contagious after starting the correct medicine and taking it consistently, but only a healthcare provider or public health team can confirm when isolation can safely end.

Contagiousness depends on symptoms, sputum test results, chest imaging, the type of TB bacteria, and whether the medicine is working. Latent TB is not contagious at all.

10. How to avoid getting TB?

The best way to lower TB risk is to avoid close, prolonged exposure to someone with untreated active TB, especially in poorly ventilated spaces. Good airflow, masks in high-risk settings, early testing after exposure, and completing preventive treatment for latent TB can all reduce risk.

People at higher risk, such as close contacts of TB patients, healthcare workers, people with weakened immune systems, and those from areas where TB is common, may need TB screening. If someone in your home has active TB, follow public health advice closely.

11. What foods fight lung infections?

No food can cure TB or replace antibiotics. TB needs medical treatment. Still, good nutrition can support the immune system during recovery. Helpful foods include protein-rich options such as eggs, fish, poultry, beans, tofu, yogurt, and nuts. Fruits and vegetables provide vitamins and antioxidants, while whole grains and healthy fats help maintain strength.

People with TB often lose weight and appetite, so nourishing meals matter. Try soups, smoothies, soft foods, and small frequent meals if eating feels difficult. Avoid relying on detox drinks or herbal cures because they cannot kill TB bacteria.

Conclusion

Tuberculosis can sound frightening, but the most important thing to remember is this: TB is treatable, and in many cases, curable. The danger often comes when symptoms are ignored or mistaken for an ordinary cough, stress, or seasonal illness.

A cough that lasts for weeks, night sweats, fever, chest pain, weight loss, fatigue, or coughing up blood should always be taken seriously. Early testing helps protect not only the person who is sick, but also family members, coworkers, and the wider community.

TB does not spread through shame or casual touch. It spreads through the air when active lung or throat disease goes untreated. With proper diagnosis, medicine, nutrition, and follow-up care, many people recover well. Paying attention early can make all the difference.

References

• CDC – Signs and Symptoms of Tuberculosis
• NHS – Tuberculosis (TB)
• CDA – Tuberculosis
• WHO – Tuberculosis
• NSW Health – Tuberculosis fact sheet
• American Lung Association – Tuberculosis Symptoms and Diagnosis
• Healthdirect Australia Limited – Tuberculosis (TB)
• Northwestern Medicine – Symptoms of Tuberculosis
• Galenos Publishing House – Differentiating Pulmonary Tuberculosis from Bacterial Pneumonia: The Role of Inflammatory and Other Biomarkers
• National Library of Medicine – Pulmonary tuberculosis versus Mycoplasma pneumoniae pneumonia in children: A retrospective analysis of clinical and imaging characteristics
• National Library of Medicine – Latent tuberculosis infection: An overview