Prospective Evaluation of Pain Flares and Time Until Pain Relief Following Musculoskeletal Corticosteroid Injections.

Background: Corticosteroid injections are used ubiquitously within musculoskeletal medicine. One of the most common side effects is a postinjection pain flare, though little is known regarding this phenomenon.

Hypothesis: Some risk factors are related to postinjection pain flare following an ultrasound-guided corticosteroid injection.

Does Anesthetic Relief Correspond to Future Pain Relief?: A Prospective Trial Examining Future Pain Relief for Ultrasound-Guided Corticosteroid-Anesthetic Injections.

Objectives: The aim of the study was to prospectively evaluate the association between immediate pain relief from injections of local anesthetic with corticosteroid and subsequent pain relief up to 3 mos. The secondary aim was to examine the time until subjective pain relief after these injections.

Design: This was a single-center, prospective study of patients undergoing ultrasound-guided corticosteroid injections for musculoskeletal pain.