I've experienced dysesthesias that come and go in upper limb and an overactive bladder. not diabetes. what else could it be? ms?

See your doc: These are complex symptoms. See your primary care doctors for more evaluation.

Possible: MS would be included in one of the many possible diagnoses with these symptoms. Make sure you see your doctor and especially maybe a neurologist at some point.

Perceptive: You are perceptive on considerations. There are a number of things this could be including inflammatory disorders such as MS. Suggest you see your local PCP for further evaluation promptly.