The nurse is providing discharge instructions to a client who has been prescribed gabapentin 300 mg by mouth (PO) three times a day for postherpetic neuralgia. Which symptom should the nurse tell the client to report to the healthcare provider?
Photosensitivity.
Rapid weight gain.
Gastric irritation.
Sexual dysfunction.
The Correct Answer is B
Choice A Reason:
Photosensitivity is not a common side effect of gabapentin. While some medications can cause increased sensitivity to sunlight, gabapentin is not typically associated with this issue. Therefore, it is not a primary concern that needs to be reported to the healthcare provider.
Choice B Reason:
Rapid weight gain is a significant side effect that should be reported to the healthcare provider. Gabapentin can cause fluid retention and swelling, which may lead to rapid weight gain. This can be a sign of more serious underlying issues, such as heart or kidney problems, and requires prompt medical attention.

Choice C Reason:
Gastric irritation, such as nausea or upset stomach, can occur with gabapentin use but is generally not severe. While it can be uncomfortable, it is usually manageable with supportive care and does not typically require immediate reporting to a healthcare provider unless it becomes severe or persistent.
Choice D Reason:
Sexual dysfunction is not commonly associated with gabapentin. While some medications can affect sexual function, gabapentin’s side effects are more commonly related to the nervous system, such as dizziness, drowsiness, and coordination issues. Therefore, this is not a primary concern that needs to be reported.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A Reason:
While keeping skin and eyes covered to protect from sun injury is generally good advice, it is not specifically related to the use of oxybutynin. Oxybutynin can reduce sweating, which increases the risk of overheating and dehydration, especially during physical activities like running a half-marathon. Therefore, this advice, while useful, is not the most critical in this context.
Choice B Reason:
Avoiding crowds to help prevent acquiring infections is important for overall health, especially for individuals with compromised immune systems. However, this advice is not directly related to the use of oxybutynin or the specific risks associated with its use during physical exercise. The primary concern with oxybutynin is its effect on sweating and body temperature regulation.
Choice C Reason:
Wearing padding to protect from bruising if a fall occurs is a precaution that might be relevant for individuals at risk of falls or injuries. However, this advice does not address the specific risks associated with oxybutynin use during physical exercise. The main concern is the potential for overheating and dehydration due to reduced sweating.
Choice D Reason:
Taking measures to avoid dehydration and overheating is the most critical instruction for a client using oxybutynin while training for a half-marathon. Oxybutynin can decrease sweating, making it harder for the body to cool down during exercise. This can lead to heat stroke or severe dehydration. The nurse should emphasize the importance of staying hydrated, taking breaks, and avoiding excessive heat to prevent these serious complications.

Correct Answer is C
Explanation
Choice A Reason:
Bronchitis is a condition that affects the respiratory system, and while it is important to monitor, it is not a primary concern when administering phenylephrine. Phenylephrine is a decongestant that works by narrowing the blood vessels in the nasal passages, which can help relieve congestion but does not directly impact bronchitis.
Choice B Reason:
Diarrhea is a gastrointestinal condition that, while uncomfortable, does not significantly interact with phenylephrine. It is important to manage and monitor, but it does not pose a direct risk when taking phenylephrine.
Choice C Reason:
Hypertension is a significant concern when administering phenylephrine. Phenylephrine can increase blood pressure by causing vasoconstriction. For clients with hypertension, this can exacerbate their condition and lead to serious cardiovascular complications. Therefore, it is crucial to report this condition to the healthcare provider before administering the medication.

Choice D Reason:
Edema, or swelling, can be a symptom of various underlying conditions, including heart failure or kidney issues. While it is important to monitor, it is not as directly impacted by phenylephrine as hypertension. However, any underlying condition causing edema should be considered when administering medications.
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