Get emergency medical help if you have signs of an allergic reaction to Jadenu (hives, difficult breathing, swelling in your face or throat) or a severe skin reaction (fever, sore throat, burning in your eyes, skin pain, red or purple skin rash that spreads and causes blistering and peeling).
Stop using Jadenu and call your doctor at once if you have:
problems with vision or hearing;
kidney problems - little or no urination, swelling in your feet or ankles, feeling tired or short of breath;
liver problems - nausea, upper stomach pain, itching, tired feeling, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes);
low blood cell counts - fever, chills, mouth sores, skin sores, pale skin, easy bruising, unusual bleeding, cold hands and feet, feeling light-headed or short of breath; or
signs of stomach bleeding - bloody or tarry stools, coughing up blood or vomit that looks like coffee grounds.
Serious side effects may be more likely in older adults.
Common Jadenu side effects may include:
nausea, vomiting, stomach pain;
diarrhea; or
skin rash.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
 Jadenu side effects (more detail)
