Complex regional pain syndrome – Diagnosis and treatment …

Doctors use various medications to treat the symptoms of CRPS. Pain relievers. Over-the-counter (OTC) pain relievers — such as aspirin, ibuprofen (Advil, Motrin IB, others) and naproxen sodium (Aleve) — may ease mild pain and inflammation. Your doctor may prescribe stronger pain relievers if OTC ones aren’t helpful.

https://www.mayoclinic.org/diseases-conditions/crps-complex-regional-pain-syndrome/diagnosis-treatment/drc-20371156