Nausea, bloating, or gas may 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 he or she 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: swelling hands/ankles/feet, unusual weight gain.
When taken with sodium bicarbonate, large doses of calcium from your diet, medications, or supplements can rarely cause a serious problem called milk-alkali syndrome. Ask your doctor or pharmacist about using calcium products safely while you are using this medication. Tell your doctor right away if you have any serious side effects, including: dizziness, muscle aches/spasms, mental/mood changes (such as confusion, irritability, memory problems), vomiting, weakness, signs of kidney problems (such as change in the amount of urine).
Get medical help right away if you have any very serious side effects, including: chest pain, seizures.
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.