Comparative Pharmacology
Head-to-head clinical analysis: SELSUN versus VANOBID.
Peer-Reviewed Evidence
Head-to-head clinical analysis: SELSUN versus VANOBID.
SELSUN vs VANOBID
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Selenium sulfide is an antifungal agent that inhibits the growth of Malassezia species by reducing selenium to elemental selenium, which is toxic to the fungus. It also reduces sebum production via unknown mechanisms.
Vancomycin inhibits cell wall synthesis by binding to the D-alanyl-D-alanine terminus of peptidoglycan precursors, preventing cross-linking.
Apply 5-10 mL of 2.5% selenium sulfide lotion to affected areas of scalp, lather with water, leave on for 2-3 minutes, then rinse thoroughly. Use twice weekly for 2 weeks, then once weekly for maintenance.
500-1000 mg orally every 12 hours or 250 mg every 6 hours.
None Documented
None Documented
Not well defined due to minimal systemic absorption; topical application yields negligible plasma levels.
Terminal elimination half-life: 8-12 hours in patients with normal renal function; prolonged to 20-40 hours in severe renal impairment (CrCl <30 mL/min), necessitating dose adjustment.
Selenium sulfide is minimally absorbed; absorbed portions are excreted renally (approx. 80-90%) and fecally (10-20%).
Renal (unchanged): 30-50% within 24 hours; Biliary/fecal: 15-25% as metabolites; remainder undergoes hepatic metabolism.
Category C
Category C
Antifungal/Antiseborrheic
Antifungal and Corticosteroid Combination