Please choose the correct ending to complete the given sentence: Health: [header] How to treat a foot blister [title] Cover your blister. [step] Foot blisters should be covered to reduce irritation and cut back on the risk of infection. Cover your blister with a soft dressing, like gauze or a loose bandage.

Ending1: If the dressing becomes wet or stuffy, it is okay to use a bit of water or a bit of hand soap while covering your blister. [substeps] Keep the dressing soaked in either a small amount of water or by placing a clean cotton cloth or small drying bag on the blister. Ending2: If the blister is very sore, cut your dressing into a donut shape and place it around the blister to avoid putting pressure directly on it. [substeps] Your dressing should be changed each day. Ending3: [substeps] If you have the option, wrap a bandage around your blister. This will help reduce swelling and improve drainage. Ending4: Make sure you do not put your foot directly on the edge of the dressing as this could break the surface of the cotton. [substeps] If you have contact with soil during the night, then it's best to cover your blister when it gets cooler outside.

Answer format: ending1/ending2/ending3/ending4