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Friction, minor injuries, pressure and burns all can cause blisters. Blisters can become a problem unless they are treated at the first sign of irritation, before a blister actually forms. Tape over a developing hot spot; the bandage should be sufficiently large that the tape touches only non-irritated skin. Once a blister has formed, apply a doughnut-type bandage to relieve pressure on the blister. This doughnut bandage should be large enough to encircle the blister and avoid further irritation of the blistered area.

Never lance or drain a blister unless it is too painful or surrounded by redness or oozing puss material, indication infection. If this is the case, the excess skin should not be removed, unless it is dirty or torn. Removing the excess skin often makes the wound more prone to further infection and delay healing. Drain the blister, clean it with soap and water, and cover with a clean, dry dressing.

blister on hand