An MS relapse (also called a flare or exacerbation) occurs when you experience new or worsening symptoms that
• Last at least 24 hours
• Cannot be explained by other factors like fever or infection
• Happen after being stable for 30 days or more
Common symptoms during a flare can include
• Fatigue
• Dizziness
• Balance Show Full Answer
An MS relapse (also called a flare or exacerbation) occurs when you experience new or worsening symptoms that:
• Last at least 24 hours
• Cannot be explained by other factors like fever or infection
• Happen after being stable for 30 days or more
Common symptoms during a flare can include:
• Fatigue
• Dizziness
• Balance and coordination problems
• Weakness in legs or arms
• Muscle spasms
• Cognitive changes
• Numbness, pain, or tingling
• Vision issues The duration of MS flares varies significantly between individuals. Most people start feeling better within 2-3 months after a flare begins, though full recovery can take up to a year. Some may experience residual effects even after recovery.
According to survey data, about 11% of people experience flares lasting 1-2 months, while nearly 14% report flares lasting longer than 2 months. Recovery time varies, and some people may not return to their baseline immediately after the flare subsides.
September 4, 2025