Final answer:
Prochlorperazine (Compazine) may cause diarrhea, dry mouth, and hypertension as common adverse effects.
Step-by-step explanation:
The client has been prescribed prochlorperazine (Compazine) for nausea. Possible common adverse effects of prochlorperazine include diarrhea, dry mouth, and hypertension. These adverse effects can occur due to the drug's mechanism of action and its effects on the body.