Most people know fibromyalgia as a debilitating pain condition. However, more than half of patients also present with a series of cognitive symptoms that have been dubbed fibro fog (sometimes called brain fog when associated with other conditions). What decline in mental faculties may a fibromyalgia sufferer be dealing with? This article can help patients to realize they are not alone and that there is hope out there. It can also help the relatives and friends of patients to be more understanding of this condition.