A Client Asks the Nurse When She Should Use an Antitussive

A client asks the nurse when she should use an antitussive. Which response should the nurse provide the client?

A) "When you are coughing up secretions."
B) "When your temperature is 101.2°F."
C) "When you have been diagnosed with a respiratory infection."
D) "When you have a dry cough and cannot rest."