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A relapse (also called an exacerbation or flare) is when you experience new MS symptoms or a worsening of existing symptoms that
• Lasts more than 24 hours
• Develops over 24-48 hours
• Reaches peak severity within several days
• Occurs at least 30 days after any previous flare
• Is not caused by infection or other Show Full Answer

A relapse (also called an exacerbation or flare) is when you experience new MS symptoms or a worsening of existing symptoms that:
• Lasts more than 24 hours
• Develops over 24-48 hours
• Reaches peak severity within several days
• Occurs at least 30 days after any previous flare
• Is not caused by infection or other triggers Daily symptoms differ from relapses in several ways:
• They may be ongoing rather than episodic
• Can be triggered by heat, stress, or fatigue (called pseudo-flares)
• Usually resolve within 24 hours once the trigger is removed
• Don't indicate new nerve damage or lesions
• May be residual symptoms from previous relapses

Many MyMSTeam members note it can be challenging to distinguish between regular symptoms and true relapses. If symptoms persist beyond 24 hours without an obvious trigger, it's best to contact your neurologist.

 AI-generated responses are not a substitute for medical advice. These services are not intended to diagnose, treat, or cure any condition or disease. Always ask your doctor about specific health concerns.

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