Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have:
signs of nerve damage--numbness, tingling, weakness, or burning pain in your buttocks, back, or leg.
Common side effects may include:
pain where the medicine was injected;
headache;
pain in your arms, legs, feet, or back;
bone pain, joint pain, muscle pain;
nausea, vomiting, loss of appetite;
diarrhea, constipation;
weakness, feeling tired;
cough, feeling short of breath;
hot flashes; or
abnormal liver function tests.
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.
 Fulvestrant side effects (more detail)
