Comparative Pharmacology
Head-to-head clinical analysis: NORCET versus VICODIN ES.
Peer-Reviewed Evidence
Head-to-head clinical analysis: NORCET versus VICODIN ES.
NORCET vs VICODIN ES
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Combination analgesic: hydrocodone acts as a μ-opioid receptor agonist; acetaminophen inhibits cyclooxygenase (COX) and modulates endocannabinoid system, exerting central analgesic and antipyretic effects.
Hydrocodone is a mu-opioid receptor agonist; acetaminophen inhibits cyclooxygenase (COX) and modulates descending serotonergic pathways.
1-2 tablets (containing paracetamol 325 mg and tramadol 37.5 mg) orally every 4-6 hours as needed for pain, maximum 8 tablets per day.
Oral: 1 tablet (7.5 mg hydrocodone/300 mg acetaminophen) every 4-6 hours as needed for pain; maximum 6 tablets per day due to acetaminophen limit.
None Documented
None Documented
2-4 hours (terminal); prolonged in hepatic impairment (up to 8-10 hours) and elderly
Hydrocodone: terminal half-life approximately 3.3-4.5 hours in adults, extended in hepatic or renal impairment. Acetaminophen: terminal half-life about 2-3 hours.
Renal: ~60% unchanged; hepatic metabolism to inactive glucuronide conjugates; biliary/fecal: <5%
Hydrocodone: primarily renal (urine) as unchanged drug and metabolites (O-demethylation and 6-keto-reduction products); ~26% excreted unchanged. Acetaminophen: renal (urine), ~85% as glucuronide and sulfate conjugates, ~2% unchanged.
Category C
Category C
Opioid Analgesic
Opioid Analgesic