Which of the Following Is an Important Concept to Teach

Which of the following is an important concept to teach patients who take expectorants,antitussives,decongestants,or bronchodilators?

A) These are all over-the-counter medications that must be used with caution.
B) Medication effectiveness will be enhanced with adequate patient hydration of more than 2 quarts of water per day.
C) These preparations frequently cause adverse effects,and the patient should not take them without consulting a physician.
D) Patients may expect to develop fever,swollen lymph nodes,and tightness in the chest when taking these products.