CRNI Practice Exam 2025 – Complete Prep Guide

Choosing to avoid sun exposure while on doxycycline hyclate is crucial due to the medication's photosensitizing effects. Doxycycline belongs to a class of antibiotics known as tetracyclines, which can increase the skin's sensitivity to sunlight, leading to a higher risk of sunburn and skin reactions. Patients are advised to use sunscreen, wear protective clothing, and avoid sun exposure, especially during peak hours, to mitigate these risks.

In the context of the other options, while there are considerations regarding diet and concurrent medications that can interact with doxycycline, the most significant concern specific to doxycycline is its potential to cause photosensitivity. Avoiding sun exposure directly addresses the risk associated with the medication, making it the most appropriate answer in this scenario.