<P> Described again in an instructional text from 1890: </P> <P> A variety of itching, often encountered in the eczema of elderly people, is formication; this is described as exactly like the crawling of myriads of animals over the skin . It is probably due to the successive irritation of nerve fibrils in the skin . At times patients who suffer from it will scarcely be persuaded that it is not due to insects . Yielding to the temptation to scratch invariably makes the disease worse . </P>

What causes my skin to feel like it's crawling