The time it takes to recover from trigger finger depends on how bad it is. The choice of treatment also affects recovery. For example, splinting may be necessary for six weeks. But most patients with trigger finger recover within a few weeks by resting the finger and using anti-inflammatory drugs.he first step is to rest the finger or thumb. Your doctor may put a splint on the hand to keep the joint from moving. If symptoms continue, your doctor may prescribe drugs that fight inflammation, such as ibuprofen or naproxen.