Frequent, very watery bowel movements at any time should occur after you drink this product. Nausea, vomiting, bloating, headache, or stomach/abdominal cramps may also occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly. If your doctor has directed you to use this medication, remember that your doctor has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects. This medication can cause your body to lose too much fluid and salts (dehydration). Tell your doctor right away if you have any of these serious side effects: confusion, severe dizziness, fainting, fast/irregular heartbeat, seizure. Tell your doctor right away if you have any serious side effects, including: stomach/abdominal pain that is severe or doesn't go away, signs of kidney problems (such as change in the amount of urine), bloody stools, rectal bleeding. A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing. This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist. In the US - Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch. In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

Do not use other laxatives while taking this product.