“…Thus, it is extremely active against Strongyloides stercoralis, and in this respect is superior to many other anthelmintics (Brumpt and Ho-Thi-Sang, 1959 ;Lloyd, 1959). It is also active in the treatment of trichuriasis in man (Brumpt and HoThi-Sang, 1959 ;Paine, Lower and Cooper, 1959), and against Trichuris vulpis, the canine whipworm (Bueding, Kmetec, Swartzwelder, Abadie and Saz, 1961). Dithiazanine is highly effective against pinworm infections, but since its use is associated with a much higher incidence of gastrointestinal side-effects than is therapy with piperazine, the latter agent is considered preferable (Brown, 1960).…”