How many days after a hand surgery can someone start therapy?

It depends on whether the patient is immobilized or not. If there is no immobilization, therapy should be started immediately after surgery to avoid any joint stiffness.

How many days later, after a hand surgery, can the bandage be removed?

They can be withdrawn on the second or third day, and it´s surgeon who determines whether they will be removed.

After stitches are removed from a hand surgery, how long is needed until the wound can be washed?

If the wound is completely closed and without moisture, it can be washed.

Does finger surgery require general anesthesia or local anesthesia?

It can be done both ways.