Nausea, loss of appetite, stomach upset, and changes in sense of taste may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.
Abnormal growth of body hair, especially on the forehead/back/arms/legs, may occur. This is usually not permanent and will go away when the drug is stopped.
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.
This medication can cause sodium and water retention which can cause serious heart problems. Tell your doctor right away if any of these serious side effects occur: swelling of arms/legs/hands/feet, unexplained weight gain, shortness of breath, unusual tiredness.
This medication may cause your blood sugar to become too high. Checking your blood sugar and urine for sugar/ketones regularly and telling your doctor the results will help prevent this side effect. High blood sugar can be very serious and worsen quickly. Tell your doctor right away if any of these signs of very high blood sugar occur: need to urinate more often, unusual thirst, fruity breath odor, dizziness, unusual weight loss, deep/rapid breathing, bluish color of lips/skin, extreme drowsiness/confusion, weakness.
Tell your doctor right away if any of these unlikely but serious side effects occur: easy bruising/bleeding, fainting, fast/pounding heartbeat, face/muscle twitching, toe/joint pain, unusual restlessness, muscle cramps/stiffness, shaking (tremor).
A very serious allergic reaction to this drug is rare. However, seek immediate medical attention 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.