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Nausea and vomiting may occur. Mouth sores and runny nose may also occur if you are inhaling this medication by mouth. If any of these effects last or get worse, 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. If you are taking this medication by mouth, tell your doctor right away if you have any serious side effects, including: severe stomach/abdominal pain, black stools, vomit that looks like coffee grounds. If you are inhaling this medication by mouth, get medical help right away if you have any very serious side effects, including: chest pain/tightness, trouble breathing. 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.

This medication may interfere with certain lab tests (such as urine ketone test), possibly causing false test results. Make sure lab personnel and all your doctors know you use this drug.