I sprained my litle finger six weeks ago and its still swollen and hurts my whole side of hamd till wrist when i use it. can i have done other damage?

Sure: Simple sprains usually resolve in 2-4weeks. If issues persist or deformity is present then work up is indicated.

Have it evaluated: Possible cause of your pain may include sprain, bursitis, fracture, contusion, neuritis, but of course there are a multitude of other possibilities. Get the feet inspected by a professional to determine the cause of the problem, as treatment varies depending on the diagnosis.