What general rule should be followed regarding the number of auxiliary labels on a vial?

Limiting the number of auxiliary labels on a vial to a maximum of three is important for maintaining clarity and preventing confusion. Auxiliary labels provide essential information about the medication, including instructions for use, warnings, or storage conditions. However, overloading a vial with too many labels can lead to information overload for the patient, making it difficult for them to read and understand important instructions.

By adhering to a maximum of three labels, pharmacy technicians can ensure that critical information is communicated effectively without overwhelming the patient. This approach helps in reinforcing adherence to the prescribed therapy by making the instructions clear and accessible. It also aligns with best practices in pharmacy, which prioritize patient safety and effective communication.