Final answer:
Nitroglycerin should be stored in the original brown container from the manufacturer and replaced every 6 months.
Step-by-step explanation:
Nitroglycerin, a medication used for heart conditions, should be stored in the original brown container from the manufacturer to protect it from light. The brown container helps to prevent degradation that can occur when nitroglycerin is exposed to light. The medication should be replaced every 6 months to ensure its effectiveness.