Arachnoiditis

Arachnoiditis is a rare and chronic medical condition characterized by inflammation of the arachnoid membrane, which is one of the protective layers surrounding the spinal cord and brain.

Causes and Risk Factors

The exact cause of arachnoiditis is often unknown, but it can be triggered by various factors, including:

Symptoms

The symptoms of arachnoiditis can vary depending on the location and severity of the inflammation. Common symptoms include:

  • Severe pain in the back, legs, or arms
  • Numbness or tingling sensations in the extremities
  • Muscle weakness or spasms
  • Bowel or bladder dysfunction
  • Sensory loss or paresthesia (abnormal sensations)

Diagnosis

Diagnosing arachnoiditis can be challenging, as the symptoms are often nonspecific and similar to those of other conditions. Diagnostic tests may include:

  • Magnetic resonance imaging (MRI) or computed tomography (CT) scans to visualize the spinal cord and surrounding tissues
  • Electromyography (EMG) or nerve conduction studies to assess muscle and nerve function
  • Cerebrospinal fluid analysis to check for signs of inflammation or infection

Treatment and Management

Treatment for arachnoiditis typically focuses on managing symptoms and improving quality of life. Options may include:

Prognosis and Complications

The prognosis for arachnoiditis varies depending on the severity of the condition and the effectiveness of treatment. Potential complications include:

Conclusion

Arachnoiditis is a complex and challenging condition that requires a comprehensive treatment approach. While there is no cure, early diagnosis and management can help alleviate symptoms and improve quality of life for those affected.

Frequently Asked Questions (FAQs)

What is Arachnoiditis?
Inflammation of the arachnoid membrane surrounding the spinal cord or brain.

What are the symptoms of Arachnoiditis?
Pain, numbness, tingling, and weakness in the legs or arms, possibly radiating to other areas.

What causes Arachnoiditis?
May be caused by infection, injury, or irritation from substances like myelogram dyes.

Is Arachnoiditis contagious?
Generally not considered contagious, as it is typically related to individual factors.

Can Arachnoiditis be cured?
Treatment can manage symptoms, but a complete cure is often unlikely.

How is Arachnoiditis diagnosed?
Through medical history, physical examination, and imaging tests like MRI or CT scans.

What are the treatment options for Arachnoiditis?
Typically involves pain management with medications, physical therapy, and possibly surgery.

Can Arachnoiditis lead to other health issues?
May increase risk of chronic pain, disability, and potentially other neurological problems.

Is Arachnoiditis a rare condition?
Considered relatively rare, but exact prevalence is unclear due to varying diagnostic criteria.

Are there any lifestyle changes that can help manage Arachnoiditis symptoms?
Maintaining a healthy weight, exercising regularly, and avoiding heavy lifting may help alleviate symptoms.

Article last updated on: 18th October 2025.
If you have any feedback, please get in touch.

See more

 Conditions  Symptoms  Procedures

Diagnosis Pad
Medical AI Assistant with Differentials, Guidance, Transcriptions, Notes, Medical Encyclopedia and Explainable AI.
Download from App Store Download from Google Play
Available for iOS, macOS and Android.

Medical Disclaimer

The information provided is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of a physician or other qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay seeking it because of something you have read on this site. We we do not guarantee, and assume no legal liability or responsibility for the accuracy, currency, or completeness of the information provided.