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Formed by a grouping of white blood cells in response to chronic inflammation.

Granulomas(肉芽腫) can affect many areas of the body and are formed by a grouping of white blood cells in response to chronic inflammation. Understanding the causes, symptoms, and prevention methods associated with granulomas is essential for promoting awareness and taking proactive measures to manage this condition. In this blog post, we will explore the specifics of granulomas, providing valuable information on their causes, symptoms, and prevention methods. 


Causes of Granulomas   

Various factors can cause granulomas. Some common causes include: 

  • Infections: Granulomas may form in response to infections caused by bacteria, fungi, parasites, or viruses. 
  • Autoimmune Disorders: Certain autoimmune conditions, such as sarcoidosis and Crohn's disease, can lead to the development of granulomas. 
  • Foreign Body Reaction: When the body encounters foreign substances, such as splinters or certain types of tattoos, it may form granulomas as a protective response. 
  • Environmental Triggers: Exposure to certain environmental substances, such as certain dust particles or chemicals, can induce granuloma formation in susceptible individuals. 


Symptoms of Granulomas   

The symptoms of granulomas can vary depending on their location and underlying cause. However, common symptoms may include: 

  • Skin Lesions: Granulomas on the skin can appear as small, raised bumps or nodules. 
  • Respiratory Issues: Granulomas in the lungs can cause coughing, shortness of breath, chest pain, and wheezing. 
  • Digestive Problems: Granulomas in the digestive tract may lead to abdominal pain, diarrhoea, or blood in the stool. 
  • Eye Problems: Granulomas affecting the eyes can cause redness, pain, blurred vision, or sensitivity to light. 


Prevention Methods for Granulomas 

Preventing granulomas largely depends on addressing the underlying causes. Here are some general prevention methods: 

  • Practice Good Hygiene: Maintaining proper hygiene, such as handwashing and avoiding close contact with individuals with infectious diseases, can help minimise the risk of certain infections that can lead to granulomas. 
  • Protect Yourself from Environmental Triggers: Take appropriate precautions when working with potentially hazardous substances or materials to reduce the risk of granuloma formation. 
  • Follow Treatment Plans: If you have an autoimmune disorder or are at risk of developing granulomas, following your healthcare provider's recommended treatment plan is essential to manage the condition effectively. 
  • Seek Medical Attention: If you notice any persistent symptoms or changes in your health, consult a healthcare professional for a proper diagnosis and appropriate management. 


Granulomas are localised areas of inflammation that can occur in various organs or tissues of the body. You can better manage granulomas by understanding the causes, recognising the symptoms, and taking preventive measures. Remember, practicing good hygiene, protecting yourself from environmental triggers, following treatment plans, and seeking medical attention are essential steps in managing granulomas effectively. Our doctors at OT&P Healthcare can provide support and resources for your health. 

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Information provided by:

Dr Emma Warner headshot

Dr Emma Warner

OT&P Healthcare

Please note that all medical articles featured on our website have been reviewed by qualified healthcare doctors. The articles are for general information only and are not medical opinions nor should the contents be used to replace the need for a personal consultation with a qualified medical professional on the reader's medical condition.