Objective: To study the skin irritation and allergia of Ai tong Ning plaster.

研观察癌痛宁巴布剂的皮肤刺激性致性。

Conclusions: IPO has no irritability and allergia, least or no toxicity, but better functions of anti-inflammation, abirritation and detumescence as well as high safety in administration.

痛膏有较好的抗炎、镇痛、消肿作用，无刺激性性，毒性极小或无毒性，用药安全性高。