膏药一般都比较粘，很难撕下来，可以利用香油、热毛巾、红花油，苏打粉等清洗掉膏药，用揭下的膏药油面或透明胶带反复粘贴遗留在皮肤上的膏药痕迹，也可清除。具体如下：
1、取适量小苏打，用清水搅拌均匀。
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2、用纸巾蘸取液体涂抹到皮肤上遗留的膏药痕迹上揉搓即可去除痕迹。
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方法二：
1、拿一瓶风油精或者花露水。
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2、涂抹到膏药痕迹上，用手指进行揉搓即可。
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方法三：
1、将卸妆油倒在化妆棉上。
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2、用化妆棉擦拭膏药的痕迹，直到擦除干净即可。
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注意事项：
1、如果家里没有香油，用炒菜的食用油也是可以的，只是会稍微慢一些。
2、平时运动或劳动时不慎造成肌肉挫伤或韧带拉伤时，不要立即用伤湿止痛膏药，应先冷敷效果最好。