Nausea, vomiting, diarrhea, stomach upset, gas, bloating, constipation, dizziness, muscle/joint pain, or headache may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly.
Remember that your doctor has prescribed this medication because 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: signs of gallbladder/liver problems (such as fever, stomach/abdominal pain, severe nausea/vomiting, yellowing eyes/skin, unexplained pain in the back/right shoulder), signs of underactive thyroid (such as unexplained weight gain, cold intolerance, slow heartbeat, severe constipation, unusual/extreme tiredness, growth/lump/swelling on the front of the neck), worsening heart condition symptoms (such as trouble breathing, slow/fast/irregular heartbeat), swelling of the arms/legs.
This medication may cause changes in blood sugar, especially if you have diabetes. Symptoms of high blood sugar include increased thirst and urination. Symptoms of low blood sugar include sudden sweating, shaking, fast heartbeat, hunger, blurred vision, dizziness, or tingling hands/feet. Tell your doctor right away if you experience symptoms of high or low blood sugar while using this medication. If you already have diabetes, check your blood sugar regularly as directed and share the results with your doctor. Your doctor may need to adjust your diabetes medication, exercise program, or diet.
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.