process of urination. and while it's not for weight loss, it may help you lose some weight. invokana® can cause important side effects including dehydration, which may cause some people to have loss of body water and salt. this may also cause you to feel dizzy, faint lightheaded, or weak especially when you stand up. other side effects may include kidney problems, genital yeast infections urinary tract infections changes in urination, high potassium in the blood or increases in cholesterol. do not take invokana® if you have severe kidney problems or are on dialysis or if allergic to invokana® or its ingredients. symptoms of allergic reaction may include rash, swelling, difficulty breathing or swallowing. if you experience any of these symptoms, stop taking invokana® and call your doctor right away or go to the nearest hospital. tell your doctor about any medical conditions medications you are taking, and if you have kidney or liver problems.