Jenny, with advanced breast cancer is prescribed tamoxifen (Nolvadex). When teaching the client about this drug, the nurse should emphasize the importance of reporting which adverse reaction immediately?
A. Vision changes
B. Hearing loss
C. Headache
D. Anorexia
Answer: A
Explanation: The client must report changes in visual acuity immediately because this adverse effect may be irreversible. Tamoxifen isn't associated with hearing loss. Although the drug may cause anorexia, headache, and hot flashes, the client need not report these adverse effects immediately because they don't warrant a change in therapy.
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