Endo Pharmaceuticals Holdings, Inc. engages in the research, development, sale, and marketing of branded and generic prescription pharmaceuticals that treat and manage pain in the United States. Its products include Lidoderm to relieve the pain of postherpetic neuralgia; Percocet and Percodan for pain management; Frova for the acute treatment of migraine headaches in adults; DepoDur for epidural administration; Synera, a topical local anesthetic patch to provide local dermal anesthesia in children and adults; and Opana, an oral extended-release opioid analgesic treatment. The company’s generic products include Morphine Sulfate and Oxycodone extended-release tablets; and...