Flare-up Relapses suck. A lot. A flare-up is anything that either gives you new symptoms or brings back old ones. They are different for everyone, unique in the same way snowflakes are. If snowflakes sucked. Other Terms Dysphonia Problems coordinating throat and mouth muscles. Encephalomyelitis The less ‘catchy’ term for Multiple Sclerosis. Epstein Barr Virus A.K.A the ‘kissing disease’ could be linked to MS. Exacerbation The impact of MS symptom relapses. View More