A Patient's Liquid Cough Medicine Has Been Discontinued with One-Half

A patient's liquid cough medicine has been discontinued with one-half of the bottle remaining.The home health nurse is aware that according to the US Food and Drug Administration (FDA) guidelines on prescription medication disposal,the next step should be to:

A) save the remainder for another patient with the same prescription.
B) flush the remainder down the toilet.
C) read the drug label for specific disposal instructions.
D) pour remaining medication into a hazardous waste container.