Erector Spinae Plane Block for Uncomplicated Renal Colic

This research study is to determine how well the Erector Spinae Plane Block (ESPB) works for kidney stone pain and any possible side effects.

Inclusion Criteria:Imaging confirmation of urolithiasis on the index encounter or prior encounter within 7 daysPatient received one dose of parenteral pain medication in the emergency department (ED)Exclusion Criteria:Pregnancy or breastfeedingPrisoner or incarcerated individualTherapeutic anticoagulation or coagulopathy.Active treatment for urinary tract infection (either acute infection or chronic therapy)Prior spinal surgery in the thoracic regionAllergy to local anesthetic or prior local anestheticSoft tissue infection overlying the injection sitePositive for coronavirusInability to communicate verbally or read/write in EnglishCurrently taking strong CYP1A2 inhibitor (fluvoxamine, amiodarone, fluoroquinolones, etc.)Glucose-6-phosphate dehydrogenase deficiency (G6PD)