Comparative Pharmacology
Head-to-head clinical analysis: ALPHAZINE versus MELLARIL.
Peer-Reviewed Evidence
Head-to-head clinical analysis: ALPHAZINE versus MELLARIL.
ALPHAZINE vs MELLARIL
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Alpha-2 adrenergic receptor agonist in the central nervous system, reducing sympathetic outflow from the brainstem, leading to decreased peripheral vascular resistance and heart rate.
Thioridazine is a phenothiazine antipsychotic that blocks postsynaptic mesolimbic dopaminergic D1 and D2 receptors, and also blocks alpha-adrenergic receptors, histamine H1 receptors, and muscarinic M1 receptors.
Adults: IM/SC 10 mg every 4 hours as needed, maximum 40 mg/day; IV 5 mg over 1 minute, may repeat in 20-30 minutes, maximum 10 mg.
Typical adult dose: 10-25 mg orally 3 times daily. Maximum dose: 200 mg/day.
None Documented
None Documented
5-7 hours; prolonged to 10-15 hours in renal impairment.
Terminal elimination half-life 21-24 hours; steady-state achieved within 5-7 days
Primarily renal (60-70% unchanged), 20-30% biliary/fecal as metabolites.
Primarily renal (70-80% as metabolites, <1% unchanged); biliary/fecal (20-30%)
Category C
Category C
Antipsychotic
Antipsychotic