The nurse is caring for a patient who has recently been diagnosed with cancer and is currently receiving their first dose of chemotherapy. Which oral hygiene practice should be avoided?

A. Urticaria (hives) is not a common side effect of radiation therapy. The skin should be examined for localized radiation-induced skin changes, such as erythema or dryness, rather than generalized urticaria.
B. Radiation therapy can weaken the immune system, increasing the risk of infection. The nurse should monitor for signs of infection, especially in areas affected by radiation, as the skin and mucous membranes can become more vulnerable.
C. Low hemoglobin is not a direct or immediate concern related to radiation therapy for lung cancer. However, it could occur if the patient experiences bone marrow suppression, but this is not typically the primary concern for radiation therapy to the lung.
D. Xerostomia (dry mouth) is more commonly associated with radiation therapy to the head and neck area. Radiation to the lungs generally does not affect salivary glands, so monitoring for xerostomia is not necessary in this case.

A. Waxed dental floss is generally safe for most patients, including those receiving chemotherapy. It is important to be gentle when flossing to avoid injuring sensitive gums, which may be more prone to bleeding during chemotherapy due to reduced platelet count.

B. Alcohol-based mouthwashes should be avoided during chemotherapy because they can cause dryness and irritation to the mucous membranes in the mouth, which are already sensitive due to the side effects of chemotherapy. Alcohol can exacerbate mucositis (inflammation of the mucous lining) and increase discomfort.

C. Soaking dentures in hydrogen peroxide is generally safe for denture care, as hydrogen peroxide can be used to disinfect dentures. However, it is important to ensure that dentures are thoroughly rinsed after soaking to avoid irritation to the mouth.

D. Using a soft-bristled toothbrush is safe and recommended. A soft-bristled toothbrush is ideal for patients receiving chemotherapy, as their gums and mouth may become more sensitive. Brushing gently can help maintain oral hygiene without causing injury.