Botulinum toxin type B (Myobloc).
Myobloc, known as Neurobloc in Europe, is a member of the botulinum toxin family. It has been used for a myriad of problems since its approval in the United States in December 2000. It is currently not approved for cosmetic use but has been used for this purpose. This article reviews what is currently known about botulinum toxin type B and its efficacy and safety.