New research is also helping doctors understand the pain syndrome.

Its dysfunction may play a role in central pain syndrome.

It does appear to provide some benefit for complex regional pain syndrome.

In some cases, like complex regional pain syndrome, the problem begins after an injury.

Several theories exist to explain the possible causes of this pain syndrome.

Bone loss can be a feature of complex regional pain syndrome.

It has been studied in the analysis of patellofemoral pain syndrome.

These drugs have proved effective in other chronic pain syndromes.

This is also the case for many common pain syndromes that result in costly interventions.

Most patients with patellofemoral pain syndrome respond well to conservative therapy.