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How does exposure to light affect certain drugs?

Decreases efficacy

Affects stability

Exposure to light can significantly affect the stability of certain drugs. Many pharmaceuticals are sensitive to light, which can lead to chemical changes that degrade the active ingredients or alter their intended effectiveness. Photodegradation occurs when light-induced reactions break down the molecular structure of the drug, potentially rendering it less effective or even harmful. This stability issue is crucial for drug storage and handling, as exposure to improper light conditions could compromise the quality and safety of the medication.

The other options relate to different pharmacological principles but do not capture the primary concern regarding light exposure directly. While some drugs may have altered characteristics due to light exposure, the most direct and critical impact is on their stability, making this the most appropriate choice.

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Increases absorption

Enhances solubility

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