Dreams dictionary: Quack Medicine
Dreams dictionary: Interpretation 1
To dream of taking quack medicine indicates that you are taking the wrong course of action. You are approaching your problem all wrong.
Dreams dictionary: Miller Dream Interpretation
To dream you take quack medicine, shows that you are growing morbid under some trouble, and should overcome it by industrious application to duty. To read the advertisement of it, foretells unhappy companions will wrong and distress you.