Mrs. Sharma with advanced breast cancer is prescribed tamoxifen (Nolvadex). When teaching the patient about this drug, the nurse should emphasize the importance of reporting which adverse reaction immediately?

1. A

   Hearing loss

2. B

   Headache

3. C

   Vision changes

4. D

   Anorexia

Appeared in: Chitranjjan National Cancer Institute Kolkata - 2021

Explanation

• Vision changes because Tamoxifen can cause serious and potentially irreversible ocular toxicity, including cataracts, retinopathy, and corneal changes.
• Any new visual disturbances, such as blurred vision, decreased acuity, or floaters, must be reported immediately to allow for prompt ophthalmologic evaluation and intervention.
• Delaying the report of vision changes can lead to permanent damage to the patient's eyesight.

Why Other Options Were Wrong

• Option A: Hearing loss is not a recognized or common adverse effect associated with tamoxifen therapy.
• Option B: Headache is a common but typically mild side effect of tamoxifen and is not considered an emergency requiring immediate reporting.
• Option D: Anorexia (loss of appetite) is a possible but generally mild side effect, often associated with nausea. It is not an immediate priority for reporting.

Related Visual

Clinical Relevance

• Nursing practice connection: Use the key finding related to Patient education regarding critical adverse effects of Tamoxifen (Nolvadex) to guide bedside assessment, documentation, and the next nursing action.
• Nurses have a critical role in educating patients on SERMs like tamoxifen to ensure they can differentiate between common, manageable side effects and potentially life- or organ-threatening emergencies.
• Patient teaching must emphasize that while hot flashes are expected, symptoms like vision changes, unilateral leg swelling, or abnormal vaginal bleeding are red flags that require immediate medical evaluation.
• For patients on long-term tamoxifen therapy, it is best practice to recommend a baseline and periodic ophthalmologic examinations to monitor for ocular toxicity.

How to Approach the Question

• First, identify the core of the question: It asks for the adverse effect of tamoxifen that requires immediate reporting, implying a priority-setting scenario.
• Identify the drug class and its major risks. Tamoxifen is a Selective Estrogen Receptor Modulator (SERM). Its most serious risks are thromboembolic events (DVT, PE, stroke), endometrial cancer, and ocular toxicity.
• Evaluate each option against these critical risks.
• Option A (Hearing loss) is not a known major risk.
• Option B (Headache) and D (Anorexia) are common, less severe side effects.
• Option C (Vision changes) directly relates to the known risk of serious ocular toxicity.

Concept Tested & Keywords

• Concept Tested: Patient education regarding critical adverse effects of Tamoxifen (Nolvadex).
• Stem keywords: advanced breast cancer, tamoxifen, Nolvadex, adverse reaction, reporting immediately
• Lead-in keywords: importance of reporting, immediately
• Clinical cues: The prescription of Tamoxifen, a SERM, is a key cue to anticipate specific, serious side effects like thromboembolism, endometrial cancer, and ocular toxicity.

Question ID

QePM1k2yH2VQWkTHvGT2Zb

Copy ID

Reference Book

E6 Gynecology Williams pp. 183-219, 307-380

E6 Pharmacology Nursing Lilley 11e Part 3 p. 104-106