Some patients have an idiosyncratic reaction to ingestion of alcohol causing an attack of myofascial pain soon after or the day following the ingestion. Trigger points activated by sleep position can cause impaired sleep. Impaired sleep can help perpetuate trigger points. Radiculopathy can activate trigger points in the area of radicular pain. Once the appropriate surgery is performed if the pain persists it may be due to TP's remaining in the referral area.
Trigger points cause The pain from somewhere else.
Always check the referred pain charts, and look for the location of trigger points causing pain in the area of complaint. Be sure to include it in your differential diagnosis when pain, weakness or dizziness is the symptom. When treatment isn't effective be sure to check for trigger points in other muscles referring to the area of interest.