Why is my right hand swollen and i feel tingling up my arm?

Thre are several: Possible reasons. Trauma, sleep positon, infection, tendonitis, especially given age. Radial sided tendonitis. May be a common issue such as de quervains, one may need to refine the comlaint, ie , is the swelling in the whole hand or just feels swollen. Is the tingling ing extend up the arm or just into the hand and forearm? Is there neck comoression ad the tingling hand "feels" swollen , .