Norco is a mixture of acetaminophen and hydrocodone. This drug is in the opioid family and is used to relieve moderate to severe pain. Other drugs similar to Norco include, but are not limited to Lorcet, Lortab, Vicodin, and Zydone. All of these drugs are a mixture of acetaminophen and hydorcodone, but the differences in strengths and competing companies are the reasons for different names. Norco is taken orally in a pill form and...