[header] How to cure trigger finger [title] Take a break from repetitive tasks. [step] In most cases, trigger finger is caused by repetitive gripping of the hand, or flexing of the thumb or forefinger. Those who are farmers, typists, industrial workers or musicians are particularly susceptible because they constantly repeat certain finger and thumb movements. 
Even smokers can get trigger thumb from repeatedly using their lighters. As such, stop (or limit) the repetitive action that's inflaming your finger if you can and maybe the pain and contracture in your finger will resolve itself.