Please choose the correct ending to complete the given sentence: Health: [header] How to treat open blisters [title] Wash the open blister with soap and warm water. [step] As soon as the blister pops, tears, or opens, wash it well. Use warm water and soap.

Ending1: [substeps] Any dirt in the blister should wash away with the soap. If something is lodged in your skin, visit your doctor to have it thoroughly cleaned and treated. Ending2: Remove any dirt, debris, and broken skin from the blister. [substeps] Deep blisters are caused from bacteria growing in the wound. Ending3: [substeps] You should also look for a scab outside of the blister, as this will allow you to determine if your wound is infected. If it is, do a quick biopsy around the tip of the blister and try to get it to heal on its own. Ending4: Wash the blister 3-4 times a day. This process cleans and repairs damage to the ligaments and tendons.

Answer format: ending1/ending2/ending3/ending4