Opdivo can cause side effects in many different parts of your body. Some side effects may need to be treated with other medicine, and your cancer treatments may be delayed.
Call your doctor at once if you have: a cough, shortness of breath, vision changes, muscle pain or weakness, stomach pain, diarrhea, blood in your stools, little or no urinating, bruising or bleeding, dark urine, yellowing of your skin or eyes, frequent headaches, dizziness, confusion, increased thirst or urination, skin problems, numbness or tingling, feeling cold, or weight gain or loss.
Before taking this medicine
To make sure Opdivo is safe for you, tell your doctor if you have:
chemotherapy or radiation treatment;
a nervous system disorder such as myasthenia gravis or Guillain-Barré syndrome;
liver disease;
an autoimmune disorder (lupus, Crohn's disease, ulcerative colitis); or
an organ transplant, or a stem cell transplant from a donor.
Nivolumab may harm an unborn baby. You may need to have a negative pregnancy test before starting this treatment. Use effective birth control to prevent pregnancy while receiving Opdivo and for at least 5 months after your last dose. Tell your doctor if you become pregnant.
Do not breastfeed while using this medicine, and for at least 5 months after your last dose.
