opdivo plus yervoy is the only fda-approved combination of two immunotherapies opdivo plus yervoy equals... a chance for more starry nights. more sparkly days. more big notes. more small treasures. more family dinners. more private desserts. opdivo and yervoy can cause your immune system to harm healthy parts of your body during and after treatment. these problems can be severe and lead to death. see your doctor right away if you have a cough; chest pain; shortness of breath; irregular heartbeat; diarrhea; constipation; severe stomach pain, nausea or vomiting; dizziness; fainting; eye problems; extreme tiredness; changes in appetite, thirst or urine; rash; itching; confusion; memory problems; muscle pain or weakness; joint pain; flushing; or fever. these are not all the possible side effects. problems can occur together and more often when opdivo is used with yervoy. tell your doctor about all medical conditions including immune or nervous system problems, if you've had or plan to have an organ or stem cell transplant, or received chest radiation.