Post of FB

My mom had her 1st Covid vaccine this past Thursday. She woke up at 1am today with a baseball sized bruise. Went back to bed got up around 7am. Here’s some pictures of the progression that followed. Last picture was taken at 5:30pm. She did f/u with her pcp, had labs drawn, and has an u/s of her arm ordered for tomorrow. Has anyone seen anything like this happen? Arm is very swollen as well.