This is also a major difference between these two, first is for prevention and second is for cure in most of the cases.
Enwere nnukwu ụzọ ihe abụọ dị iche n'ihe gbasara Ahụisike: Ụlọgwụ bụ nke mbụ, nke abụọ bụ nlekọta ndịọrịa n'ebe na-abụghị ụlọgwụ.