Hydrocodone is the synthetic opioid derivative of codeine which is generally used to treat moderate to severe pain with a combination of acetaminophen. In ancient days Hydrocodone was used to control cough which is then replaced by other medications. Hydrocodone (in addition with Acetaminophen) works on our brain and CNS(Central Nervous System) by changing the way towards the pain we feel. You can use it in different forms like tablet, capsule, syrup. Hydrocodone has its own variants like Hydrcodone 10-325 mg, 10-500 mg, 10-650 mg