Tigloidine is a tropane alkaloid and a naturally occurring analog of atropine, found in small quantities in Duboisia myoporoides. Tigloidine has been found to be beneficial in the treatment of Parkinsonism, Huntington’s Chorea and spastic paraplegia. Tigloidine may provide relief in parkinsonian patients by increasing the gamma-efferent activity and reducing alpha motoneurone activity. In preclinical models, Tigloidine failed to reverse sedation and ptosis in rats induced by reserpine and tetrabenazine. In mice, amphetamine response was not significantly affected by Tigloidine or atropine. However, in the cat and dog, it was markedly facilitated by Tigloidine but not by atropine.