Bone Tuberculosis: What Is It, Types, Symptoms & How to Manage It

Introduction

Tuberculosis (TB) is a contagious infection caused by the bacteria Mycobacterium tuberculosis. It primarily affects the lungs (pulmonary TB) but can spread to other parts of the body, such as the bones, spine, or brain¹. This article will explain what bone tuberculosis is, its forms, common symptoms, and how to manage it efficiently. Early detection of this disease is critical since timely diagnosis and treatment can reduce long-term problems and enhance the chances of recovery. 

What Is Bone Tuberculosis?

Bone tuberculosis is a form of TB that occurs when the infection occurs in the bones or joints. It is also known as skeletal tuberculosis or osteoarticular tuberculosis. TB of the spine is the most common type of bone TB, also known as Pott’s disease. Other commonly affected regions include the hip, knee, ankle, and long bones. It develops slowly, may go unnoticed in the early stages, and can cause significant bone destruction over time if not diagnosed and treated early². 

Types of Bone Tuberculosis

TB can affect different parts of the skeletal system. The different types of bone TB include: 

1. Spinal Tuberculosis (Pott’s Disease)

This is the most common type of bone tuberculosis, which affects the spinal vertebrae. It can cause the spinal bones to collapse, resulting in severe back pain and deformities such as kyphosis (hunchback). In severe disease, it can compress the spinal cord, resulting in neurological symptoms such as numbness of the extremities and buttock area and weakness³. 

2. Joint Tuberculosis

This type affects the long weight-bearing bone joints, such as the knees, hips, foot, and ankle. It develops slowly and leads to chronic pain, swelling, and stiffness in the affected joint. Over time, it can destroy joint cartilage and reduce mobility significantly. If untreated, it may result in permanent joint deformity⁴. 

3. Tuberculous Osteomyelitis

This one can affect almost any bone in the body, including the ribs, skull, pelvis, and long bones. It often develops through more than one route of infection⁵. In children, especially aged under 6, it can affect even fingers and toes (known as spina ventosa)⁶. 

4. Multiple Osteoarticular Tuberculosis (MOT)

This condition affects more than one bone or joint at the same time or one after another. Commonly affected areas include the spine, pelvis, hip (femoral head), shoulders, and knees. It can cause symptoms like joint pain, stiffness, swelling, redness, warmth over the area, and difficulty in moving the joint. In severe cases, changes in bone shape or deformity may occur⁷. 

Causes of Bone Tuberculosis

Bone TB may be caused by: 

• Spread From Lung TB Infection: This is the most common cause where the TB bacteria move from the infected lungs to the bones through blood circulation². 
• Weakened Immune System: People with low immunity, such as HIV patients, patients with diabetes, and individuals with malnutrition, are at higher risk of developing bone TB^1,2.
• Close Contact With an Individual With TB: Living or spending time with someone who has active TB increases the risk of TB, which may then progress to bone TB¹.
• Not Adhering to TB Medications: An undiscovered, untreated or poorly treated TB infection can become severe and spread to different parts of the body, increasing the risk of bone TB^1,3. 
• Poor Living Conditions: Overcrowding, poor hygiene, and lack of ventilation can increase the chance of TB infection spreading. 

Bone Tuberculosis Symptoms

Bone tuberculosis symptoms may develop gradually and can vary depending on the affected bone or joint. They can be divided into two: 

General Symptoms: 

Bone TB rarely causes general symptoms affecting the whole body. However, some people may experience the following: 

• Mild fever^3,4
• Weight loss 
• Night sweats⁴
• Persistent fatigue or tiredness 
• Loss of appetite³

Bone-Related Symptoms: 

Bone-related symptoms may occur due to damage and inflammation in the affected bones or joints. These include: 

• Persistent joint or bone pain that worsens over time (back pain in the case of spine TB)^3,4. 
• Swelling around the affected bone or joint^4,5
• Difficulty moving/ stiffness of the affected joint⁴
• Muscle weakness or tenderness³ 
• Painless abscess (for spinal TB)³
• Numbness, tingling, or weakness in the limbs (in case spinal TB affects the nerves) 
• Reduced range of motion⁴

Is Bone Tuberculosis Communicable?

Bone TB is not usually communicable. Unlike pulmonary TB, which affects the lungs and can spread through the air when an infected person coughs, sneezes, or speaks¹, bone TB develops when the TB bacteria travel from another region of the body to the bones or joints^2,5.

A person with bone TB cannot spread the infection to others by physical contact, touching, sharing food, or being near someone. As a result, patients with bone TB are typically not considered contagious. However, if a person has both bone TB and active pulmonary TB, they may spread the TB bacteria through respiratory droplets from their lungs. In such cases, the lung infection is responsible for the transmission of TB, not the bone infection. 

Bone Tuberculosis Diagnosis

Bone tuberculosis diagnosis can be difficult since its symptoms usually appear gradually and resemble those of other bone and joint problems. Doctors usually confirm the diagnosis with a medical history, physical examination, imaging studies, and laboratory investigations. 

1. Physical Examination and Medical History

The doctor will ask about symptoms such as prolonged bone or joint pain, swelling, stiffness, fever, weight loss, and any previous TB exposure. They might also look for neurological symptoms (weakness, numbness, etc.), restricted joint movement, discomfort, and other signs and symptoms².

2. Blood Tests

The doctor might recommend blood tests such as: 

• Erythrocyte Sedimentation Rate (ESR) and C-Reactive Protein (CRP): These blood tests can help show inflammation in the body, which may suggest an active TB infection. 

• Interferon-Gamma Release Assay (IGRA): This blood test helps detect TB infection by measuring the immune system’s response to TB bacteria. 

3. Mantoux Test

The doctor may recommend this test to check for possible TB infection or exposure. The test checks for a skin reaction after injecting a small amount of tuberculin solution, usually on the forearm^1,4. 

4. Imaging Tests

The doctor might recommend some imaging tests to get a detailed view of the bones and joints: 

• X-Ray: X-rays can show damage in tuberculous joints, such as bone loss, reduced joint space, fractures, erosions, and weakened bones (osteoporosis). 
• Computed Tomography (CT) Scan: This scan can show bone damage, such as areas where bone has been destroyed, lesions in the bone (osteolytic lesions), sinus tracts, soft-tissue lumps, and how far the disease has spread. 
• Magnetic Resonance Imaging (MRI) Scan: An MRI can show early and detailed changes in bone and joints, such as joint swelling, fluid build-up, bone inflammation, abscesses (pus-filled areas), soft-tissue swelling, damage to cartilage, and the spread of infection to nearby bones⁴. 

5. Bone or Tissue Biopsy

To confirm the diagnosis of bone TB, the doctor may do a biopsy, which involves taking a small sample of tissue from the diseased bone and examining it. The sample is then sent to the laboratory to confirm the presence of the bacteria using tests² such as AFB culture, which can help detect active TB infection and enable correct treatment planning. Please visit the site below to know more about the AFB (MGIT) test

Bone Tuberculosis Treatment

Bone tuberculosis treatment primarily focuses on eliminating the TB bacteria, reducing pain and inflammation, and avoiding long-term damage to bones and joints. The doctor might recommend the following as treatment approaches: 

• Anti-Tuberculosis Medications: Medicines are usually the first line of treatment. A standard combination of antibiotics, such as isoniazid, rifampicin, pyrazinamide, and ethambutol, is given to kill the bacteria causing the infection. Treatment usually lasts 6 to 12 months or longer, depending on disease severity and response to treatment^2,4. 

• Pain Relief and Anti-Inflammatory Medicines: Doctors may prescribe pain relievers and anti-inflammatory medications to alleviate pain, swelling, and discomfort in the affected bones or joints. These medications help with mobility and quality of life during therapy, but they do not treat the infection itself. 

• Rest and Immobilisation: Rest is important to reduce strain on the affected bones and joints. In some cases, the damaged area may be supported by a brace, cast, or splint, particularly if the spine or weight-bearing joints are involved. This protects against future injury and facilitates healing⁸. 

• Surgical Treatment: The doctor might recommend surgeries in advanced cases, including extensive bone injury, spinal cord compression, abscess formation, or deformity. Surgical procedures may involve draining abscesses, removing infected tissue, or stabilising the spine or joints^4,8.

• Nutritional Support and Lifestyle Changes: Good nutrition also plays an important role in recovery. The doctor might recommend a protein-rich, well-balanced diet to boost the immune system and promote healing⁹. Patients might also be asked to practise good hygiene, rest, and live a healthy lifestyle to support recovery. 

Complications of Untreated Bone Tuberculosis

If bone tuberculosis is not treated promptly, it can slowly progress and cause a variety of complications, such as: 

• Cold Abscess Formation: Pus-filled abscesses, which are usually painless swellings that can spread into the nearby tissues².
• Bone and Joint Damage: Destruction of bone tissue and nearby joints, leading to worsening pain and structural damage. 
• Joint Deformity and Stiffness: Permanent changes in joint shape and restricted movement, particularly in weight-bearing joints like the hip and knee⁴. 
• Neurological Problems: Pressure on adjacent nerves or the spinal cord may cause numbness, tingling, or weakness in the arms, legs, or buttock area and even cause permanent disability or paralysis^3,10. 
• Spinal Complications: Weakening of the spinal bone (vertebrae), causing the back to bend abnormally or even leading to collapse of the spinal bones³. 

Recovery and Lifestyle During Treatment

Recovery from bone or spinal TB is usually slow and depends on how early the disease is detected and how well treatment is taken⁶. Most patients require several months of consistent medication, and improvement occurs gradually over time^3,8 Pain and other symptoms usually begin to subside within a few weeks to months, although complete healing of bones and joints may take longer. 

Lifestyle Changes During Treatment

Along with completing the full course of TB treatment, following the lifestyle changes listed below may help improve the effectiveness of treatment: 

• Getting periodic check-ups and imaging tests to help monitor healing and detect any complications. 
• Following a well-balanced diet high in protein, fruits, vegetables, whole grains, and key vitamins to help promote recovery and overall good health⁹. 
• Getting proper rest, especially during the early stages of treatment when symptoms may be more severe⁸.
• Performing gentle exercises and physical therapy⁸, which can help maintain joint mobility, muscular strength and function (only under expert guidance). 
• Avoiding smoking and alcohol consumption, which can reduce the effectiveness of the treatment¹¹. 
• Paying attention to overall cleanliness and following cough hygiene and respiratory hygiene to prevent the spread of TB through respiratory droplets, especially if there is active TB¹.

When to Consult a Doctor?

Consult a doctor immediately for the following: 

• Persistent bone, joint, or back pain that does not improve. 
• Swelling, tenderness, or reduced movement in a bone or joint. 
• Difficulty walking or performing daily activities. 
• Unexplained fever, night sweats, or weight loss⁴
• Numbness, tingling, or weakness in the arms or legs. 
• Visible deformity of the spine or an affected joint³ 
• Difficulty controlling bowel or bladder movements¹⁰. 
• New or worsening symptoms while receiving treatment² 

Also Read: Tuberculosis: Types, Causes, Treatment and Prevention

Conclusion

Bone tuberculosis is a serious but treatable form of TB that affects the bones and joints, most commonly the spine. Because its symptoms often appear gradually, early detection is critical for avoiding problems like bone degeneration, joint deformity, and nerve damage. Most patients can recover successfully if they receive immediate treatment, which includes antitubercular drugs and appropriate supportive care. Following the treatment as prescribed, eating a healthy diet, and attending regular doctor visits can help support recovery and lower the risk of complications. 

Frequently Asked Questions (FAQs)

References

1. Tobin EH, Tristram D. Tuberculosis Overview. 2024. https://www.ncbi.nlm.nih.gov/books/NBK441916/ 

2. Pigrau-Serrallach C, Rodríguez-Pardo D. Bone and joint tuberculosis. Eur Spine J. 2013;22(S4):556-566. doi:10.1007/s00586-012-2331-y https://pubmed.ncbi.nlm.nih.gov/22711012/

3. Tobin EH, Rausch-Phung EA. Tuberculous Spondylitis (Pott Disease). 2026. https://www.ncbi.nlm.nih.gov/books/NBK538331/ 

4. Marais LC, Nieuwoudt L, Nansook A, Menon A, Benito N. Tuberculous arthritis of native joints – a systematic review and European Bone and Joint Infection Society workgroup report. J Bone Joint Infect. 2023;8(4):189-207. doi:10.5194/jbji-8-189-2023 https://pubmed.ncbi.nlm.nih.gov/37780528/

5. Emerson P, Philip A, Varghese GM, Thomas R. Tuberculous Osteomyelitis of the Hyoid Bone: A Case Report. Case Reports in Otolaryngology. 2013;2013:1-3. doi:10.1155/2013/549564  https://pmc.ncbi.nlm.nih.gov/articles/PMC3610351/

6. N. AlGhazi A, H. AlZahrani M, AlMutiri WA, AlZoum NM. Disseminated tuberculosis presenting as finger swelling in a 2-year-old: a case report of TB osteomyelitis. Case Reports in Plastic Surgery and Hand Surgery. 2025;12(1):2473383. doi:10.1080/23320885.2025.2473383 https://pmc.ncbi.nlm.nih.gov/articles/PMC11899214/

7. Zhou J, Yang X, Hu Y, Li S. Epidemiological and osteoarticular involvement sites’ characteristics of multiple osteoarticular tuberculosis: a scoping review. Epidemiol Infect. 2025;153:e26. doi:10.1017/S095026882400150X https://pubmed.ncbi.nlm.nih.gov/39834064/

8. Herdea A, Marie H, Negrila IA, Abdel Hamid Ahmed AD, Ulici A. Reevaluating Pediatric Osteomyelitis with Osteoarticular Tuberculosis: Addressing Diagnostic Delays and Improving Treatment Outcomes. Children. 2024;11(11):1279. doi:10.3390/children11111279 https://pubmed.ncbi.nlm.nih.gov/39594854/

9. Gupta K, Gupta R, Atreja A, Verma M, Vishvkarma S. Tuberculosis and nutrition. Lung India. 2009;26(1):9. doi:10.4103/0970-2113.45198 https://pubmed.ncbi.nlm.nih.gov/20165588/

10. Spinal Tuberculosis: Rural India’s Hidden Epidemic. https://thespinefoundation.org/spinal-tuberculosis-hidden-epidemic/ 

11. Heshmati B, Omidi S, Mohammadi Y. Impact of alcohol consumption, substance use, and smoking on treatment outcomes in tuberculosis: a systematic review and meta-analysis. Syst Rev. 2025;14(1):139. doi:10.1186/s13643-025-02888-y https://pubmed.ncbi.nlm.nih.gov/40618124/

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