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Sodium Phosphate P 32 (Therapeutic)
Sodium phosphate ( SOE-dee-um FOS-fate) P 32 is a radiopharmaceutical (ray-dee-oh-far-ma-SOO-ti-kal) . Radiopharmaceuticals are radioactive agents that may be used to treat certain diseases or to study the activity of the body's organs.
Sodium phosphate P 32 is used to treat certain kinds of cancer. In this case, the radioactive agent builds up in the cancerous area and destroys the affected tissue. This radiopharmaceutical may also be used for other conditions as determined by your doctor.
Sodium phosphate P 32 is to be given only by or under the direct supervision of a doctor with specialized training in nuclear medicine. It is available in the following dosage form:
Before Using This Medicine
In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For sodium phosphate P 32, the following should be considered:
Allergies- Tell your doctor if you have ever had any unusual or allergic reaction to sodium phosphate P 32. Also tell your doctor if you are allergic to any other substances, such as foods, preservatives, or dyes.
Pregnancy- Studies have not been done in either humans or animals. However, to avoid exposing the fetus to radiation, sodium phosphate P 32 is not recommended for use during pregnancy. Be sure you have discussed this with your doctor.
Breast-feeding- Sodium phosphate may pass into the breast milk. If you must receive this radiopharmaceutical, it will be necessary for you to stop breast-feeding during treatment. Be sure you have discussed this with your doctor.
Children- Studies on this medicine have been done only in adult patients, and there is no specific information about its use in children. However, children are especially sensitive to the effects of radiation. This may increase the chance of side effects during and after treatment.
Older adults- Older adults are especially sensitive to the effects of radiation. This may increase the chance of side effects during and after treatment.
Other medicines- Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are receiving sodium phosphate P 32, it is especially important that your doctor know if you are taking any other prescription or nonprescription (over-the-counter [OTC]) medicine.
Other medical problems- The presence of other medical problems may affect the use of sodium phosphate P 32. Make sure you tell your doctor if you have any other medical problems.
Proper Use of This Medicine
Your doctor may have special instructions for you in preparation for your treatment. If you do not understand them or if you have not received such instructions, check with your doctor in advance.
Dosing- The doses of radiopharmaceuticals will be different for different patients and for the different types of treatments. The amount of radioactivity of a radiopharmaceutical is expressed in units called becquerels or curies. Usual adult doses of sodium phosphate P 32 range from 37 megabecquerels (1 millicurie) to 185 megabecquerels (5 millicuries). The dose you receive depends on your size, age, and blood test measurements (blood counts). The amount of radiation received by the body to treat a disease is many times higher than from any diagnostic test, such as x-rays and nuclear medicine scans. Repeated doses may be necessary, depending on the kind of disease you have and how your body is responding to treatment.
Side Effects of This Medicine
Along with its needed effects, a medicine may cause some unwanted effects. When sodium phosphate P 32 is used at recommended doses, side effects usually are rare. However, blood problems, such as anemia or a decrease in the number of white blood cells, may occur in some patients.
Also, the following side effects may occur in patients with bone cancer receiving sodium phosphate P 32 for the relief of bone pain:
Other side effects not listed above may also occur in some patients. If you notice any other effects, check with your doctor.
Last updated: Tue, 06 Jan 2009 00:20:03 GMT