MyMSTeam

Great question! Understanding what triggers a flare-up can help with managing MS more effectively. It's worth knowing the difference between a true relapse and a pseudoexacerbation (a temporary worsening of symptoms without new nerve damage).

A true MS flare involves new inflammation causing actual damage to the nervous Show Full Answer

Great question! Understanding what triggers a flare-up can help with managing MS more effectively. It's worth knowing the difference between a true relapse and a pseudoexacerbation (a temporary worsening of symptoms without new nerve damage).

A true MS flare involves new inflammation causing actual damage to the nervous system. For it to count as a true relapse, it needs to:

- Last at least 24 hours
- Occur at least 30 days after the last flare
- Not be explained by infection, fever, or extreme temperatures A pseudoexacerbation, on the other hand, is when existing symptoms temporarily flare up due to outside triggers, such as:

- Heat or hot weather
- Stress
- Fatigue or exhaustion
- Infections (urinary tract infections are the most common culprit)
- Fever
- Alcohol consumption

Once the trigger is removed, symptoms from a pseudoexacerbation usually settle back down.

It's always a good idea to keep a symptom log and check in with your neurologist if something feels off — especially if symptoms are lasting longer or happening more frequently than usual.

 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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