Clean the site with hydrogen peroxide to prevent infection
Cryosurgery involves the local application of liquid nitrogen to isolated lesions and causes cell death and tissue destruction. The nurse informs the client that swelling and increased tenderness of the treated area can occur when the skin thaws. Tissue freezing is followed by hemorrhagic blister formation in 1 to 2 days. The nurse instructs the client to clean the treatment site with hydrogen peroxide to prevent secondary infection. A topical antibiotic also may be prescribed. Application of a warm. damp washcloth intermittently to the site will provide relief from any discomfort. Alcohol-soaked dressings will cause irritation. The client does not need to avoid showering.
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