The Duke of Zhou explained his dream and dreamed of itching:

Itching is a disease
Itching makes people uneasy, and they are eager to reach out to scratch it. It is like an illness that makes people uneasy, and patients are always eager to find a doctor.
So in dreams, itching represents disease, and dreaming of itching means getting sick.
Dreaming of treating itching, you will soon get rid of your current predicament.

(Editor in charge：Dream Interpretation Culture)