Objectives: Rupture of the ulnar collateral ligament (UCL) is a frequent injury of the hand. When untreated, this injury may lead to decreased pinch strength, pain, instability, and osteoarthritis.

One class of drugs that is frequently used in a nebulized form is the opioids. The mechanism of action of nebulized opioids is uncertain, but it is thought that the opioids either act on receptors ...