Exacerbation, relapse, flare-up, attack: these are all names for the same thing with regard to Multiple Sclerosis. The general definition of this event is the occurrence of new or worsening of old symptoms lasting for more than 24 hours and taking place at least 30 days after a similar event. While this can be a standard occurrence for those with Multiple Sclerosis, not everyone actually understands what’s going during this period. Understanding what is happening during an exacerbation is critical for those with MS. With that in mind, I’ll do my best to help break it down as simply as I can.

What’s happening to the body during an MS exacerbation?

During one of these moments, the disease has caused your own immune system to attack your body. Specifically, your immune system begins to assault your central nervous system. Its weapon of choice? Inflammation (caused by various immune cells). This inflammation damages myelin, a fatty substance that surrounds and helps insulate our nerves. This insulative layer makes sure our nerves properly conduct the electrical signals that our brain sends to the other parts of our body (think of it as the plastic covering on an electrical wire). When this layer is damaged, those signals don’t move fast enough or at all, which is where we start to see our symptoms. Can’t lift your leg fast enough or at all? The myelin around a nerve between your brain and leg has been compromised and the signal isn’t traveling as efficiently as it should be. Not only does our immune system damage the myelin, but it also damages the cells needed to regrow it. To read this article in its entirety click the link: Inside a MS flare up