Blood Test Arm Swollen Swollen And Very Sore Arm After Blood Test?

Swollen and very sore arm after blood test? - blood test arm swollen

I had a blood test on Monday morning and the nurse had trouble, no blood. Shortly after my arm was very swollen and painful. The other arm was (a little hurt throughout the day as was expected), but 2 days later, the swollen arm is still swollen and still very painful! No idea what might be and how they treat? I want my doctor? Any advice would be welcome!