Get emergency medical help if you have any of these signs of an allergic reaction to Arimidex:
hives; difficult breathing; swelling of your face, lips, tongue, or throat
Call your doctor at once if you have:
- sudden numbness or weakness, especially on one side of the body;
- sudden severe headache, confusion, problems with vision, speech, or balance;
- a bone fracture;
- swollen glands;
- nausea, upper stomach pain, itching, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes);
- swelling in your hands or feet; or
- severe skin reaction — fever, sore throat, swelling in your face or tongue, burning in your eyes, skin pain, followed by a red or purple skin rash that spreads (especially in the face or upper body) and causes blistering and peeling.
Common Arimidex side effects may include:
- weakness, hot flashes;
- joint pain or stiffness, problems with your fingers while gripping;
- sore throat, headache, back pain, bone pain;
- depression, mood changes, sleep problems (insomnia);
- mild nausea, vomiting; or
- mild rash
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.