Research them. Your fibromyalgia is reversable with the proper diet. Most people that have it will say that it cannot be but.... I know you can. Diet and exercise can help your arthritis too. Research pragmatic medicine.
It depends on the severity of the symptoms and your ability to cope with and manage pain. If you can pull it off - keeping your mind focused on a job will help you cope - there's also new research regarding nutrition that can help decrease the intensity of Fibro pain - search online for support groups.