In order to define a flare, several conditions are needed, including:
- New symptoms that appear suddenly and / or previous symptoms that worsen or reappear
- If symptoms persist for 24 hours or more
- Symptoms occur at least 30 days after the onset of the last attack
- There is no other explanation for the symptoms: illness, fever, stress and other factors should be ruled out
One of the questions asked is – how long does an attack last?
To be considered a multiple sclerosis attack, the symptoms must last at least 24 hours. The attack can last from several days to several weeks or months.
Multiple Sclerosis attacks tend to occur most often in the first few years after diagnosis and over time their frequency decreases. However, they can occur at any time during the course of the disease.
Read more: Staying Ahead of MS Attacks
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