Side effects that may occur while taking this medicine include headache, dizziness, weakness, decreased appetite, indigestion, nausea, vomiting, diarrhea, difficulty sleeping, stomach pain, muscle or joint pain, sinus drainage, cough, lightening of the skin color on the palms of your hands or soles of your feet, and changes in body fat (such as increased fat in the upper back and stomach areas, or decreased fat in the face, arms, and legs). If they continue or are bothersome, check with your doctor. Check with yuor doctor if you experience fever, numbness or tingling in your arms or legs, or depression/mental or mood changes. Contact your doctor immediatley if you experience dark urine, unusual drowsiness or fatigue, yellowing of eyes or skin, rapid breathing, muscle aches, stomach or abdominal pain, decreased urination, or difficulty urinating. An allergic reaction to this medicine is unlikely, but seek immediate medical attention if it occurs. Symptoms of an allergic reaction include rash, itching, swelling, severe dizziness, or trouble breathing. If you notice other effects not listed above, contact your doctor, nurse, or pharmacist.