Amiodarone is an injectable drug for the treatment of arrhythmia, amiodarone in the process of use sometimes inadvertently make the drug seep outside the blood vessels, causing local swelling, pain, is the extravasation caused by vascular sclerosis: 1, you can use magnesium sulfate sterile gauze on the affected area, cover tightly painful parts, in order to prevent the evaporation of water, gauze dry, you can wrap plastic film in the outer layer of gauze, and then fixed with adhesive tape. 2, you can directly use Fresh potato peel is applied to the affected area and replaced at any time when dry. Repeated use without restriction can make the edema at the painful area subside in a short time. If the pain is not strong, no treatment is needed, and it will heal by itself in a few days. If the amiodarone oozes more, the swelling is more powerful or there are local blisters, do not squeeze, continue to use the above method to deal with, you can also turn the bruise pill with water, dip a cotton swab and apply it to the painful area.