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Cidofovir ( si-DOF-o-veer) is an antiviral. It is used to treat infections caused by viruses.
Cidofovir is used to treat the symptoms of cytomegalovirus (CMV) infection of the eyes (CMV retinitis) in patients with acquired immune deficiency syndrome (AIDS). Cidofovir will not cure this eye infection, but it may help to keep the symptoms from becoming worse.
This medicine is available only with your doctor's prescription, in the following dosage form:
Before Using This Medicine
In deciding to use a medicine, the risks of using the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For cidofovir, the following should be considered:
Allergies- Tell your doctor if you have ever had any unusual or allergic reaction to cidofovir or probenecid. Also tell your health care professional if you are allergic to any other substances, such as foods, preservatives, or dyes.
Pregnancy- Cidofovir has not been studied in pregnant women. However, in animal studies, cidofovir has been shown to cause harmful effects on both the mother and infant. Discuss with your doctor whether or not you should continue to receive this medicine if you become pregnant.
Breast-feeding- It is not known whether cidofovir passes into breast milk. However, breast-feeding is usually not recommended in AIDS patients because of the risk of passing the AIDS virus on to the infant.
Children- Cidofovir can cause serious side effects, including possible cancer and trouble in having children later. Therefore, it is especially important that you discuss with the child's doctor the good that this medicine may do as well as the risks of using it.
Older adults- Many medicines have not been studied specifically in older people. Therefore, it may not be known whether they work exactly the same way they do in younger adults or if they cause different side effects or problems in older people. There is no specific information comparing use of cidofovir in the elderly with use in other age groups.
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 cidofovir, it is especially important that your health care professional know if you are taking any of the following:
Other medical problems- The presence of other medical problems may affect the use of cidofovir. Make sure you tell your doctor if you have any other medical problems, especially:
Proper Use of This Medicine
To get the best results, cidofovir must be given for the full time of treatment. Also, this medicine works best when there is a constant amount in the blood. To help keep the amount constant, cidofovir must be given on a regular schedule.
The dose of cidofovir will be different for different patients. If you are receiving this medicine at home, follow your doctor's orders or the directions on the label . The following information includes only the average doses of cidofovir. If your dose is different, do not change it unless your doctor tells you to do so.
Precautions While Using This Medicine
It is very important that your doctor check you at regular visits for any blood problems that may be caused by this medicine.
It is very important that your ophthalmologist (eye doctor) check your eyes at regular visits since it is still possible that you may have some loss of eyesight during cidofovir treatment.
Side Effects of This Medicine
Side Effects of This Medicine
Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Medicines like cidofovir can sometimes cause serious side effects such as blood problems and kidney problems; these are described below. Cidofovir has also been found to cause cancer in animals, and there is a chance it could cause cancer in humans as well. Discuss these possible side effects with your doctor.
Check with your doctor immediately if any of the following side effects occur:
Also, check with your doctor as soon as possible if any of the following side effects occur:
Other side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. However, check with your doctor if any of the following side effects continue or are bothersome:
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