What do you do with a swollen finger ?

Hard to answer,no --: -history.trauma, or just appeared, pain, discoloration. Lots of information missing. How long has it been swollen + much more.

Rest, NSAID, immobil: After an injury, one should ice a swollen finger for up to 3 days - 15 minutes on and 15 minutes off with ice. If the finger is very painful after an injury, an x-ray should be taken. If there is no injury and if the swollen finger is painful, ice or heat to the finger. A splint may be needed. An NSAID can be considered.

Swollen fingers: CAN BE DUE TO trauma, infection, arthritis, inflammation, nerve issues, tumor, or excess retained fluid due to systemic problems. IN general ice and elevation and gentle motion help but if there is prolonged swelling, pain , redness, change in sensation, loss of circulation see someone soon. There are so many things I can list , that even if just swelling and chronic get evaluated