Guanidines of formula ##STR1## and their pharmaceutically acceptable acid addition salts, (wherein R.sup.1 and R.sup.2 each represents lower alkyl or trifluoromethyl and R.sup.3 and R.sup.4 each represents hydrogen or lower alkyl or R.sup.3 and R.sup.4 together represent dimethylene or trimethylene) are useful in treating or preventing diarrhoea in mammals or poultry. The compound, if desired, may be administered with one or more antimicrobial, adsorbent, anti-emetic, parasympatholytic or antihistaminic agents.
式为##STR1##的
胍类及其药学上可接受的酸加成盐,其中R.sup.1和R.sup.2分别代表低碳基或三
氟甲基,R.sup.3和R.sup.4分别代表氢或低碳基,或R.sup.3和R.sup.4一起代表二亚甲基或三亚甲基,可用于治疗或预防哺乳动物或禽类的腹泻。如有需要,化合物还可与一种或多种抗微
生物、吸附剂、抗恶心、副交感神经
抑制剂或
抗组胺药物合用。