benzimidazole anthelmintic, fenbendazole, for treatment of gastric ulcer disease in the horse. At present there is insufficient scientific evidence to support the use of other benzimidazole compounds.(EGUC) | benzimidazole anthelmintic, fenbendazole, for treatment of gastric ulcer disease in the horse. At present there is insufficient scientific evidence to support the use of other benzimidazole compounds.(EGUC) |