The manufacturer, packer, or distributor of any prescription drug that is sold or distributed in this State shall: Keep correct copies of any printed matter that is: Required to be included in any package in which the drug is sold or distributed; or Approved under the federal act; and Send copies of the printed matter to any health practitioner who is authorized to administer the drug and who makes a written request for information about the drug. This section does not exempt any person from any labeling requirement imposed under any other provision of this subtitle.