Side effects of YERVOY need attention right away
Pay attention to possible YERVOY side effects. Even if you aren’t sure whether or not you’re experiencing a side effect of YERVOY, call your healthcare provider right away for medical advice about side effects. Treating side effects as soon as possible may keep the problem from becoming more serious.
You may report side effects to the FDA at 1-800-FDA-1088. You may also report side effects to Bristol-Myers Squibb at
Side effects of YERVOY may include:
- Inflammation of the intestines (colitis) that can cause tears or holes (perforation)
in the intestines.
Signs and symptoms of colitis may include:
- diarrhea (loose stools) or more bowel movements than usual
- blood in your stools or dark, tarry, sticky stools
- stomach pain (abdominal pain) or tenderness
- Inflammation of the liver (hepatitis) that can lead to liver failure.
Signs and symptoms of hepatitis may include:
- yellowing of your skin or the whites of your eyes
- dark urine (tea colored)
- nausea or vomiting
- pain on the right side of your stomach
- bleeding or bruise more easily than normal
- Inflammation of the skin that can lead to severe skin reaction (toxic epidermal necrolysis).
Signs and symptoms of severe skin reactions may include:
- skin rash with or without itching
- sores in your mouth
- your skin blisters and/or peels
- Inflammation of the nerves that can lead to paralysis.
Symptoms of nerve problems may include:
- unusual weakness of legs, arms, or face
- numbness or tingling in hands or feet
- Inflammation of hormone glands (especially the pituitary, adrenal, and thyroid glands) that may affect how these glands work.
Signs and symptoms that your glands are not working properly may include:
- persistent or unusual headaches
- unusual sluggishness, feeling cold all the time, or weight gain
- changes in mood or behavior such as decreased sex drive, irritability, or forgetfulness
- dizziness or fainting
- Inflammation of the eyes.
Symptoms may include:
- blurry vision, double vision, or other vision problems
- eye pain or redness
Call your healthcare provider if you have any of these signs or symptoms or they get worse. Do not try to treat symptoms yourself.
Getting medical treatment right away may keep the problem from becoming more serious. Your healthcare provider should perform blood tests, such as liver and thyroid function tests, before starting and during treatment with YERVOY. Your oncologist may decide to delay or stop YERVOY.
The most common side effects of YERVOY include:
These are not all of the possible side effects of YERVOY. For more information, ask your healthcare provider.
Please see the important Safety Information below.