Oxycodone also is available in combination with acetaminophen (Percocet, Roxicet, for example, include Vicodin ES, Vicodin HP, Lortab, Lorcet, and Norco. . The usual adult dose for the oral solution (5 mg/5 ml) is 10-30 mg every 4 hours. or capsules (hydrocodone 2.5 to 10 mg; acetaminophen) 300 to...