<human>:  What are the side effects of a certain medication?
<bot>: The most common side effects of the medication may include nausea, headache, dizziness, drowsiness, dry mouth, constipation, diarrhea, and abdominal pain. Less common side effects may include blurred vision, rash, itching, and weight changes. More serious side effects may include fainting, slowed heart rate, confusion, and difficulty breathing. If you experience any of these more serious side effects, contact your doctor immediately.