This invention refers to the sector of drugs intended for both human and animal use, and it particularly concerns a natural medicinal compound that contains a tannin-based vegetal active ingredient combined with carriers and with a synergic effect, wherein said vegetal active ingredient is natural chestnut extract (Castanea sativa), with tannin as the highest constituent substance, and said natural chestnut extract is contained in the compound in a weight rate between 5% and 80%.
