Depends where swell
It depends if the swelling is in the joints, or the entire hand and foot is this the same in each.
Most commonly the swelling in the feet is edema
. There is unilateral swelling in reflex dystrophy and s3pe. If the individual joints are swollen this can suggest polyarthritis like rheuamtoid arthritis
. There are a variety of other causes depnding where the swelling is and its intensity.