What do you suggest if my finger won't straighten all the way?

Trigger digit can respond to ice and inflammatories. However if the problem is persistent it's been shown that between 47 and 90% of trigger fingers get better with a single solitary corticosteroid injection Dupuytrens disease is when the fascia contracts and the finger cant straighten, it starts with nodules or lumps in the palm. DJD or arthritis can also affect a fingers ability to straighten