...food ...and farxiga, the pill that starts with "f". farxiga, along with diet and exercise, helps lower a1c in adults with type 2 diabetes. it's one pill a day and although it's not a weight-loss drug, it may help you lose weight. do not take if allergic to farxiga. if you experience symptoms of a serious allergic reaction such as rash, swelling, difficulty breathing or swallowing, stop taking and seek medical help right away. do not take farxiga if you have severe kidney problems, are on dialysis, or have bladder cancer. tell your doctor right away if you have blood or red color in your urine or pain while you urinate. farxiga can cause serious side effects including dehydration, genital yeast infections in women and men, serious urinary tract infections, low blood sugar, and kidney problems. stop taking farxiga and call your doctor right away if you have signs of ketoacidosis... ...which is serious and may lead to death. ask your doctor about the pill that starts with "f"... ...and visit farxiga.com for savings. if you can't afford your medication, astrazeneca may be able to help.