Hello, I Don't Know If You Can Help But..Walgreens In

Hello, I don't know if you can help but..Walgreens in Pawtucket RI changed Pharmacuticals nad did not let me know.. I was on hydrocodone, 5/325 and there new med was the same..2172..but did not work.. I really was in pain for 5 weeks.. ( back pain) . My Dr had to give me percoset...5/325...I am on the PDP Plan.. I would like to know how I can find a store that has the watson brand.. thank you