Lice, fleas, bugs: things said, thought or done which make you feel uncomfonable or ashamed; feelings that one is, or someone else is, a parasite in a relationship.
Example: I was practising relaxation and went into a dream state. I saw a dark shape attached to my body near my hean. I felt very frightened as I saw it. But as I watched it broke away and left me’ (John W). John had experienced a hean attack, and the dark shape was an embodiment of his fears about his hean, sucking his energy and well-being. In relaxing he was able to let go of these feelings. Because the dream process shows such internal processes in imagery, the fears are shown as an incubus or dark parasite, which falls away. ... A Guide to Dreams and Sleep Experiences
1- When heavy demands are made on us which we do not feel capable of meeting, a vampire can appear in a dream. We are figuratively being ‘suckcd dry.’ The vampire or blood sucker is such a fearful figure that il is accepted as an embodiment of evil.
2- Often the fear of emotional and sexual relationships can be represented in dreams as a vampire. Becausc the human being still has a fear of the unknown, ancient symbols that have represented this fear can still appear in dreams, ‘flic succubus and incubus preying on young people’s vital energy is often pictured as a vampire.
3- Life-threatening evil is represented by the vampire in dreams. However, it mav be that the dreamer has a rather fantastical outlook on the realms of evil and some reservation could be applied to their thoughts.... Ten Thousand Dream Dictionary
Gives gender - specific: The succubus, a female demon believed to have sexual intercourse with sleeping men, and the incubus (the opposite) preying on a dreamer’s vital energy has traditionally been pictured as a vampire in both men’s and women’s dreams. Such dreams may originally arise from childhood trauma.... Dream Meanings of Versatile