Buy Hydrocodone Online, it is used to relieve severe chronic pain, especially while other non-opioid pain medications are not powerful or appropriate. It comes in various colors to identify the dosage. Hydrocodone relieves cough by decreasing activity in the part of the brain that causes coughing. According to the WHO Cancer Pain Ladder, The most common forms of hydrocodone-acetaminophen preparations are 5/325 mg, 10/650 mg, 10/660 mg, 10/500 mg, 10/325 mg.