Flu-like symptoms (such as mild fever, chills, fatigue, muscle/joint aches) may occur after treatment. Most of these effects are mild and can last up to 48 hours. Bone pain, redness/swelling/pain at the infusion site, headache, dizziness, loss of appetite, nausea, vomiting, diarrhea, drowsiness or trouble sleeping may also occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.Tell your doctor immediately if you experience any symptoms of low calcium such as muscle spasms or numbness/tingling (especially around the lips/mouth). Your doctor may ask you to take calcium and vitamin D supplements to prevent low blood calcium levels after treatment.Tell your doctor right away if you have any serious side effects, including: trouble breathing, sores in jaw/mouth, jaw pain, increased or severe bone/joint/muscle pain, new or unusual hip/thigh/groin pain, eye problems (such as redness/itching/swelling or sensitivity to light), change in the amount of urine, unusual tiredness/weakness, mental/mood changes (such as irritability or confusion), fast/pounding/irregular heartbeat.A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.In the US -Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.