[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. 
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.