What are the most common side effects of SEROQUEL XR?
The most common side effects of SEROQUEL XR are drowsiness, dry mouth, increases in cholesterol and triglycerides, constipation, upset stomach, dizziness, a sudden drop in blood pressure upon standing, weight gain, increased hunger, tiredness, increases in blood sugar, difficulty speaking, and stuffy nose. This list is not a complete list of the side effects of SEROQUEL XR. Learn more about SEROQUEL XR side effects.