Comparative Pharmacology
Head-to-head clinical analysis: MONISTAT 5 versus SELSUN.
Peer-Reviewed Evidence
Head-to-head clinical analysis: MONISTAT 5 versus SELSUN.
MONISTAT 5 vs SELSUN
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Miconazole inhibits fungal cytochrome P450 14α-demethylase, blocking ergosterol synthesis and disrupting fungal cell membrane integrity.
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.
Miconazole nitrate 100 mg vaginal suppository inserted once daily at bedtime for 3 days; or 200 mg vaginal suppository once daily at bedtime for 3 days; or 1200 mg vaginal suppository as a single dose.
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.
None Documented
None Documented
Terminal half-life approximately 24 hours; supports once-daily dosing.
Not well defined due to minimal systemic absorption; topical application yields negligible plasma levels.
Primarily fecal (90%) as unchanged drug; renal excretion minimal (<1%).
Selenium sulfide is minimally absorbed; absorbed portions are excreted renally (approx. 80-90%) and fecally (10-20%).
Category C
Category C
Antifungal
Antifungal/Antiseborrheic