Collarbone pain is usually caused by an injury, such as a fracture or joint separation. However, your collarbone, also known as the clavicle, may hurt for other reasons. It can be tender from ...

A clavicular nonunion is rarely asymptomatic and often results in disability from pain at the site of nonunion ... to obtain union and restore the clavicle to its normal length.

Pain in the right shoulder and arm can occur ... there’s an injury to the ligaments that hold your shoulder to the collarbone. This can cause the ligaments to stretch or to completely tear.