It’s important to note that Norco 5/325mg is not available over-the-counter (OTC). It is a prescription-only medication that contains hydrocodone (an opioid pain reliever) and acetaminophen (a non-opioid pain reliever). Norco 5/325mg is commonly prescribed for the treatment of moderate to severe pain, including back pain. However, due to its potential for dependence and other side effects, it is not sold without a prescription from a licensed healthcare provider.