quackery
nounThe boastful pretensions or knavish practice of a quack, particularly in medicine; empiricism; charlatanry; humbug.
nounThe acts, arts, or boastful pretensions of a quack; false pretensions to any art; empiricism.
nounThe practice of
An instance of practicing fraudulent medicine.
nounthe dishonesty of a charlatan
nounmedical practice and advice based on observation and experience in ignorance of scientific findings