What Must I Do About Fluid Discharge During Menopause?

Hi, I am 55 years old. In menopause for 5 years. No period in 5 years. Last Saturday a discharge started coming out of me in the form of a liquid. The liquid is clear with a tint of yellow. It is like a period without blood. No pain, no discomfort but I have to where a pany liner all the time.