The nurse is teaching the client about the use of dextromethorphan with guaifenesin (Robitussin-DM).

The nurse is teaching the client about the use of
dextromethorphan with guaifenesin (Robitussin-DM) syrup for a cough accompanied
by thick mucus. Which statement would be part of the client’s teaching?

1. “Lie supine for 30 minutes after taking the drug.” 2.
“Drink minimal fluids to avoid stimulating the cough reflex.” 3. “Take the drug
with food for best results.” 4. “Avoid drinking fluids immediately following
the syrup and then increase overall fluid intake.”