Pharmacy PEBC Practice Exam

What is one way to maintain the stability of a medication?

1. Keep it in a warm environment

2. Store it in its original container

3. Mix it with other medications

4. Expose it to direct sunlight

The correct answer is: Store it in its original container

Storing medication in its original container is an important way to maintain its stability. Original containers are specifically designed to protect the medication from environmental factors that could degrade it, such as moisture, light, and air exposure. Many original containers are made of materials that prevent the entry of moisture and are opaque to block light, both of which can negatively affect the quality and efficacy of the medication over time. In contrast, keeping medication in a warm environment, mixing it with other medications, or exposing it to direct sunlight can greatly compromise its stability. Warm temperatures can accelerate degradation processes, while mixing medications could lead to interactions that alter their effectiveness. Direct sunlight can lead to chemical reactions that degrade the active ingredients. Thus, choosing to store medication in its original container safeguards its integrity and ensures that it remains effective for the duration of its intended shelf life.