Protecting Skin During Radiation Therapy

A patient undergoing radiation therapy for lung cancer is being educated about the potential side effects of the treatment. One of the common side effects is skin irritation in the area being treated. The nurse informs the patient that the skin may become red and sensitive but reassures them that these effects will eventually subside.

Fill in the blank: It is important for the patient to protect the treated area from _______________ to minimize skin irritation.