Headache, diarrhea, stomach upset, nausea, vomiting, cough, gas, or constipation may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.
Remember that this medication has been prescribed because 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.
Tell your doctor right away if you have any serious side effects, including: problems with your dialysis access site, severe constipation/inability to have a bowel movement, signs of stomach/intestinal bleeding or ulcers (such as black/bloody stools, vomit that looks like coffee grounds, stomach/abdominal pain, dizziness).
Get medical help right away if you have any very serious side effects, including: trouble breathing, chest pain, pain/redness/swelling in the lower legs.
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.