A client has a prescription to take guaifenesin every 4 hours, as needed. The nurse determines that the client understands the most effective use of this medication if the client makes which...

A client has a prescription to take guaifenesin every 4 hours, as needed. The nurse determines that the client understands the most effective use of this medication if the client makes which statement?

1. “I will watch for irritability as a side effect.” 2. “I will take the tablet with a full glass of water.” 3. “I will take an extra dose if the cough is accompanied by fever.” 4. “I will crush the sustained-release tablet if immediate relief is needed.”