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What Body Parts Does TB Affect?

Published in TB Infections 1 min read

Tuberculosis (TB) can affect various parts of the body, not just the lungs.

Understanding TB's Reach

When active TB disease develops, the bacteria multiply and can attack:

  • Lungs: This is the most common site of TB infection.
  • Lymph Nodes: TB can spread to and infect the lymph nodes.
  • Bones: The skeletal system can be affected by TB.
  • Kidneys: TB can compromise kidney function.
  • Brain: TB can cause severe complications by affecting the brain.
  • Spine: TB can attack the spinal column causing back pain and other issues.
  • Skin: In some cases, TB can manifest on the skin.

How TB Spreads

TB bacteria travel through the blood or lymphatic system, allowing it to reach and infect different parts of the body. This explains how TB can manifest in so many diverse locations.

Body Part How TB Affects It
Lungs Primary site of infection, causing cough etc.
Lymph Nodes Causes swelling and other lymphatic issues.
Bones Leads to pain and skeletal problems.
Kidneys Results in kidney dysfunction.
Brain Can cause meningitis and other neurological problems.
Spine Causes back pain and spinal issues.
Skin Can result in skin lesions.