What class of drug recall is associated with a high likelihood of causing serious adverse reactions or death?

The class of drug recall that is associated with a high likelihood of causing serious adverse reactions or death is Class 1. This classification is reserved for products that pose a significant risk to patient safety, indicating that the probability of serious health consequences or mortality is high.

In a Class 1 recall, the FDA instructs healthcare professionals and consumers to stop using the products immediately, as they are deemed potentially dangerous. This classification serves to ensure that necessary precautions are taken promptly to protect public health, highlighting the severe implications of the product's use.

Other classes, such as Class 2 and Class 3, involve less severe risks. Class 2 recalls involve products that may cause temporary or reversible adverse effects, while Class 3 recalls pertain to products not likely to cause any adverse health consequences. Therefore, Class 1 is distinct in its priority and the seriousness of the risks it entails.