Sandoz is the generic drugs division of Novartis. Before the 1996 merger with Ciba-Geigy to form Novartis, Sandoz Pharmaceuticals (Sandoz AG) was a pharmaceutical company headquartered in Basel, Switzerland (as was Ciba-Geigy), and was best known for developing drugs such as Sandimmune for organ transplantation, the antipsychotic Clozaril, Mellaril Tablets and Serentil Tablets for treating psychiatric disorders, and Cafergot Tablets and Torecan Suppositories for treating migraine headaches.