 Few biological or medical applications exist for antimony . <unk> principally containing antimony are known as <unk> and are used as <unk> . Antimony compounds are used as <unk> drugs . <unk> <unk> tartrate , or tartar emetic , was once used as an anti @-@ <unk> drug from 1919 on . It was subsequently replaced by <unk> . Antimony and its compounds are used in several <unk> preparations like <unk> or lithium antimony <unk> , which is used as a skin <unk> in <unk> . Antimony has a nourishing or conditioning effect on <unk> tissues , at least in animals . 
