Dreaming of leeches, foretells that enemies will run over your interests. If they are applied to you for medicinal purposes, you will have a serious illness tn your family (if you escape yourself). To see them applied to others, denotes sickness or trouble to friends. If they should bite you, there is danger for you in unexpected places, and you should heed well this warning.
Read more about dreaming of Leeches in other dream meanings interpretations.