To dream that you resort to patent medicine in your search for health, denotes that you will use desperate measures in advancing your fortune, but you will succeed, to the disappointment of the envious.
To see or manufacture patent medicines, you will rise from obscurity to positions above your highest imaginings. ... Ten Thousand Dream Interpretation
To dream of dosing yourself with quack medicines show you are in a position in your life or affairs that trouble you greatly and you are ‘taking the wrong medicine’ to cure the situation.
To read about it warns of false friends and foolish lies.... Encyclopedia of Dreams