Hydros is not a term that is commonly used in the context of medicine or science. However, hydrocodone is a prescription medication that is used to relieve severe pain. It is a narcotic analgesic that is often prescribed in combination with acetaminophen. Hydrocodone is a Schedule II controlled substance and has a potential for abuse, misuse, and use disorder. It is important to monitor patients for addiction, abuse, and misuse signs. Hydrocodone is available in various forms such as oral tablets, capsules, and liquid solutions. Some examples of medications consisting of hydrocodone include Vicodin, Lortab, Lorcet, Norco, Hysingla, and Zohydro.