My mom is 55 and got a cortisone injection in her feet to relieve some aches.. She has done this before and nothing happened but a few days ago she had it done and it has swelled up and gotten really bad. She hasn't been able to walk on it and it is incredibly painful for her. It has continuously swelled since then. She is on vicodin now but the doctor she saw wasn't sure whats wrong so now she wants to see a foot specialist.. Did the doctor mess something up, or is this just a bad reaction from her foot, or possibly a bad side effect? If you are a doctor who has dealt with this or someone who has experienced this can you tell us whats going on because we have no idea.. although we suspect the doctor mabey did something wrong.