I fell because i have ms and i bruised my ankle while falling is getting bigger i just happened to hit it in the process of falling this mean anything?

See below: First, you may well have sprained your ankle, and the increasing size of bruising is likely due to some ankle trauma reaction, but if this continues, and you cannot bear weight on your ankle, you should have your doc examine and X ray. If your balance is compromised chronically, you need assistance, and your neurologist should be able to help.

Ankle Mishap.: It means that you must begin using the RICE protocol. Rest. Ice. Compression. Elevation. This will stop or at least slow the body's initial reaction to the trauma. It is unclear as the extent of the injury at this point. After a day or two, depending on you condition, you might have an examination by a physician for a more detailed assessment. This assessment will guide the course of treatment.