Hi! I Am A 31 Year Old Female. I Had

Hi! I am a 31 year old female. I had lab work drawn on 10/6 in my right arm. pain in my arm started on 10/11 , Upper arm, feels like a bruise-but no marks, slightly swollen. Pain has spread and is getting progressively worse in the lower half of my arm, same symptoms except the swelling feels more like soft bumps. sensitive to pressure. No fever or redness. I have seen my PCP who sent me to a neurologist, who is now sending me to orthopedics.