About griseofulvinpenicillium antibiotic,mitotic inhibitor, oral antifungal.mechanism of action of griseofulvingriseofulvin is a fungistatic drug. it disorients microtubule and inhibits mitosis especially at metaphase. it actually prevents the separation of the 2 daughter chromosomes. this results in multinucleated and stunted fungal hyphaeindications for griseofulvin1.tinea cruris 2.tinea capitis 3.tinea corporis 4.tinea barbae 5.tinea unguium 6.tinea pedis