quackery

noun

1. (uncountable)The practice of fraudulent medicine, usually in order to make money or for ego gratification and power; health fraud.

   “When no certain cure exists, quack remedies tend to proliferate and the history of quackery and secret cures is full of extraordinary forms of treatment for the various arthritic disorders.”

2. (countable)An instance of practicing fraudulent medicine.

   “[…] the manifold and serpentine wiles and evasions, shufflings and fencings, deceits and dissimulations, he had practised —the bunkums and the quackeries, […]”