Woke up w/swollen index finger. range of motion is limited. still swollen 2 days later. this happens several times a year to other fingers. cause??

Swollen joint-see MD: There are many reasons a joint can become swollen, injury, infection, and major diseases like rheumatoid arthritis, to name a few! Since this has happened in other joints, this may be a disease that involves multiple joints. Please see a doc and get it sorted out. The treatment for serious several types of serious arthritis are excellent now and delay permanent joint crippling often.