Ergoloid mesylates

Ergoloid mesylates (Brand names: Hydergine, Gerimal, Niloric) (Chemical name: Dihydroergotoxine mesylate) are dihydrogenated ergot alkaloids used to combat decreased mental function as a result of senility or multiple small strokes.

While the exact method of its action is not known, dihydroergotoxine stimulates dopaminergic and serotoninergic receptors and blocks alpha-adrenoreceptors.