Endo Pharmaceuticals wants the pain to end, preferably through the drugs it acquires and markets. The pharmaceutical company has a portfolio of both branded and generic prescription products for pain management and other health conditions. Its best-selling drug is Lidoderm, a lidocaine patch that treats nerve pain caused by shingles. Endo also sells pain meds Percocet and Opana, migraine therapy Frova, cancer drug Valstar, and urology treatment Sanctura. Its generics include morphine and oxycodone tablets. The company markets its drugs in the US through its own domestic sales force. In addition, the firm makes and sells urology and prostate devices and provides related medical services.