Get emergency medical help if you have signs of an allergic reaction to Provenge: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Some side effects may occur during the injection or within the first 24 hours afterward. Tell your caregiver if you feel tired, dizzy, nauseated, light-headed, feverish, chilled, or have fast heartbeats, trouble breathing, a severe headache, or pounding in your neck or ears.
Call your doctor at once if you have:
a light-headed feeling, like you might pass out;
racing or irregular heartbeats;
signs of infection - fever, pain or redness where a needle was placed for blood cell collection or infusion;
signs of a stroke - sudden numbness or weakness (especially on one side of the body), vision problems, slurred speech;
signs of a blood clot deep in the body - pain, swelling, warmth, or discoloration in an arm or leg; or
signs of a blood clot in the lung - chest pain that gets worse with deep breathing, shortness of breath.
Common Provenge side effects may include:
fever, chills, tiredness;
back pain;
nausea;
headache; or
joint pain.
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.
 Provenge side effects (more detail)
