Swelling and pain in the thumb may be gout, and you should go to the hospital to check if the uric acid is high. If the uric acid is high and the thumb joint is swollen, red and painful obviously, you may need to take medicine for gout, such as allopurinol. Diet during an acute attack of gout need to pay attention to, can not eat raw food, animal offal and beer and other high-purine diet. There is also a possibility that inflammation occurs on the top of the finger, or even the formation of abscesses, is purulent dactylitis, the need for anti-infective treatment, and to the surgical clinic to do surgery, surgical incision rows to drain the pus out, and regular medication can be changed.