Suggest Treatment For Pain And Swelling In Wrist And Thumb

Hi, My name is Karen, about 3 weeks ago I fell back landing on my right hand. The pain was aweful and began to swell. Went to the ER they saw no fracter. Referred me to ortho surgeion. He said he feels like its a sprain in my thumb and wrist. The pain is getting worse and my wrist and thumb is hurting and tingeling and they itch