It is not necessary to apply thick layer of ointment. A thin layer absorbs and acts more effectively. Excess medication can irritate surrounding skin. Apply only to necrotic areas.

• 没有必要涂太厚的软膏。薄层软膏吸收更好，效果佳。过量药物可能刺激四周皮肤。只在坏死部位使用。