Final answer:
The client should be informed that dry mouth is a common adverse effect of clonidine, a medication used to treat hypertension, anxiety, and other conditions.
Step-by-step explanation:
The nurse should inform the client that dry mouth is an adverse effect of clonidine. Clonidine is a medication that is used to treat various conditions including hypertension, anxiety, pain conditions, and attention deficit hyperactivity disorder (ADHD). Adverse effects of clonidine can include diarrhea, constipation, abdominal pain, headache, cough, chills, light sensitivity, muscle pain, and fever. In more severe cases, clonidine can affect motor coordination, breathing, and heart function. However, dry mouth is one of the more common side effects experienced by patients taking clonidine.