a 78-year-old woman presented with epigastric pain following the use of non-steroidal anti-inflammatory drugs (nsaids) for joint pain relief. she underwent ugi endoscopy. during ugi endoscopy she suffered from severe retching despite the use of sedatives. at 6 hours after the procedure, she developed raccoon eyes with chemosis. biopsy from the gastrointestinal (gi) mucosa revealed amyloidosis.

Background: To explore the clinical efficacy, safety, and prevention of major adverse reactions non-steroidal anti-inflammatory drug celecoxib combined with OxyContin Pregabalin in treatment cancerous pudendal neuralgia.