It is important that your doctor check you closely for any problems or unwanted effects that may be caused by this medicine. Blood and urine tests may be needed to check for unwanted effects.
Contact your doctor right away if you have decreased urination, dizziness, headache, or vomiting. These could be symptoms of a loss of too much body fluid (dehydration).
Do not take any medicine by mouth within 1 hour before taking PEG and electrolytes solution. Do not take other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription (over-the-counter [OTC]) medicines and herbal or vitamin supplements.