Pamidronate is used to treat high levels of calcium in the blood that may be caused by certain types of cancer. Pamidronate is also used along with cancer chemotherapy to treat bone damage caused by multiple myeloma (cancer that begins in the plasma cells [a type of white blood cell that produces substances needed to fight infection]) or by breast cancer that has spread to the bones. Pamidronate is also used to treat Paget's disease (a condition in which the bones are soft and weak and may be deformed, painful, or easily broken). Pamidronate injection is in a class of medications called bisphosphonates. It works by slowing bone breakdown, increasing bone density (thickness) and decreasing the amount of calcium released from the bones into the blood.
Pamidronate injection comes as a solution (liquid) to inject into a vein slowly, over 2 to 24 hours. It is usually injected by a health care provider in a doctor's office, hospital, or clinic. It may be given once every 3 to 4 weeks, once a day for 3 days in a row, or as a single dose that may be repeated after 1 week or longer. The treatment schedule depends on your condition.
Your doctor may recommend a calcium supplement and a multivitamin containing vitamin D to take during your treatment. You should take these supplements every day as directed by your doctor.
This medication may be prescribed for other uses; ask your doctor or pharmacist for more information.
Before receiving pamidronate injection,
Unless your doctor tells you otherwise, continue your normal diet
Call your doctor if you miss a dose of pamidronate or an appointment to receive a dose of pamidronate.
Pamidronate injection may cause side effects. Tell your doctor if any of these symptoms are severe or do not go away:
Some side effects can be serious. If you experience any of these symptoms, call your doctor immediately:
Pamidronate injection may cause other side effects. Call your doctor if you have any unusual problems while taking this medication.
If you experience a serious side effect, you or your doctor may send a report to the Food and Drug Administration's (FDA) MedWatch Adverse Event Reporting program online [at Web Site] or by phone [1-800-332-1088].
If you are administering this medication at home, your health care provider will tell you how to store it. Follow these instructions carefully.
In case of overdose, call your local poison control center at 1-800-222-1222. If the victim has collapsed or is not breathing, call local emergency services at 911.
Symptoms of overdose may include:
Keep all appointments with your doctor and the laboratory. Your doctor will order certain lab tests to check your body's response to pamidronate injection.
It is important for you to keep a written list of all of the prescription and nonprescription (over-the-counter) medicines you are taking, as well as any products such as vitamins, minerals, or other dietary supplements. You should bring this list with you each time you visit a doctor or if you are admitted to a hospital. It is also important information to carry with you in case of emergencies.
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
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