Some side effects can include: constipation, diarrhea, nausea, vomiting, upset stomach, loss of appetite, body aches and pains (back pain, bone pain, joint pain or stiffness), breast swelling/tenderness/pain, headache, dry mouth, scratchy or sore throat, increased cough, dizziness, trouble sleeping (insomnia), tiredness, weakness, flushing and sweating (hot flashes/hot flushes), vaginal bleeding, hair thinning, weight changes, depression, mood changes, problems with your fingers while gripping, or numbness, tingling, cold feeling, or weakness in your hand or wrist.
Speak with your doctor or pharmacist for help managing any side effects that become too severe during your treatment with Arimidex