Mirtazapine, sold under the brand name Remeron among others, is an antidepressant primarily used to treat depression. Its full effect may take more than four weeks to occur, with some benefit possibly as early as one to two weeks. Zuclopenthixol (brand names Cisordinol, Clopixol-Acuphase), also known as zuclopentixol, is a medication used to treat schizophrenia and other psychoses.