S.D. Codified Laws § 36-4-9
Current with legislation signed by the governor on or before 3/6/2024
For the purpose of this chapter, "practice of medicine or osteopathy" includes, but not by way of limitation, to append or prefix the letters M.D., or D.O. or the title of Doctor or Dr. or Specialist or Osteopath or any other sign or appellation in a medical sense to one's name or to profess publicly to be a physician or surgeon or to recommend, prescribe or direct for the use of any person any drug, medicine, apparatus, or other agency for the cure, relief or palliation of any ailment or disease of the mind or body or the cure or relief of any wound, fracture or bodily injury or deformity.
SDCL 36-4-9