Radiating pain in thumb

Patient: I injured my thumb about a month ago and it was swollen, bruised and I did not have full range of motion. I did not get it checked. Now my thumb is radiating pain and is sore/ stiff. Could it have been a fracture or sprain that did not get adequate care? Advice?

Symptoms: Radiating pain the thumb, stiff, sore, swollen, fever.