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Mining online peer support communities to understand treatment side effects in Multiple Sclerosis
1The Hong Kong Polytechnic University, Hong Kong.
Multiple Sclerosis and Related Disorders
|May 7, 2026
Summary
Online discussions reveal that Multiple Sclerosis (MS) patients experience significant negative emotions, particularly anger and disgust, related to Disease-Modifying Therapies (DMTs). Fear is common across all MS treatments.
Area of Science:
- Neuroscience
- Psychology
- Digital Health
Background:
- Online peer-support forums offer unique insights into patient experiences with Multiple Sclerosis (MS).
- Understanding the emotional impact of MS treatments is crucial for patient-centered care.
- Limited research exists on the emotional framing of treatment side effects in patient-generated online discourse.
Purpose of the Study:
- To analyze online discussions on the r/MultipleSclerosis subreddit.
- To examine engagement, sentiment, and emotional expression related to different MS treatment categories.
- To identify patterns in patient-generated discourse regarding treatment side effects.
Main Methods:
- Utilized VADER for sentiment analysis and NRC Emotion Lexicon for emotional profiling.
- Analyzed discussions across four treatment categories: Disease-Modifying Therapies (DMTs), MS Attack treatments, Symptom-Management Medicines, and Other treatments.
- Performed statistical comparisons of sentiment and emotional expression across treatment categories.
Main Results:
- Disease-Modifying Therapies (DMTs) comprised 74% of all treatment-related discussions.
- Negative sentiment was predominant across all treatment categories.
- Posts related to DMTs showed significantly higher levels of anger and disgust; fear was prevalent across all categories.
Conclusions:
- Long-term Multiple Sclerosis therapies carry a substantial emotional burden for patients.
- Online patient discourse provides valuable, complementary insights into treatment experiences.
- Findings underscore the importance of addressing the emotional impact of MS treatments in clinical practice and patient support.
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