Question

Should I cover poison ivy or oak rash with bandages or leave it open?

Answer

Anything that you can do to dry up the rash is going to benefit you the most.  Oxygen is helpful to healing the wound.  If you cover the rash with a sterile bandage cover loosely to allow healing oxygen to reach the surface of the skin.  It is important to keep the rash very clean; changing sterile bandages frequently reduces the risk of infection.

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