Which type of OTC product is required to be in a tamper-resistant package?

Tamper-resistant packaging is crucial for products that may be susceptible to tampering, particularly those that could be harmful if altered. Contact lens solutions fall into this category because they are used directly on sensitive, mucous membranes of the eyes and any tampering could compromise their safety and effectiveness. The necessity for tamper resistance in these products helps protect consumers from potential health risks associated with contamination or altered formulation.

In contrast, while pain relievers, cold medications, and vitamins may also have safety considerations, the stringent requirement for tamper-resistant packaging is specifically highlighted for products like contact lens solutions, due to their direct application to vulnerable areas of the body. This underscores the importance of ensuring that consumers can trust the integrity and safety of the products they are using.