The invention provides a drug delivery compositions and methods for treating pain. A drug delivery composition contains a polymer and at least two drugs sucha as an analgesic agent and an anesthetic agent.
本发明提供了一种用于治疗疼痛的给药组合物和方法。一种给药组合物含有一种聚合物和至少两种药物,如镇痛剂和
麻醉剂。