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In the U.S.-
Phenazopyridine (fen-az-oh-PEER-i-deen) is used to relieve the pain, burning, and discomfort caused by infection or irritation of the urinary tract. It is not an antibiotic and will not cure the infection itself.
In the U.S., phenazopyridine is available only with your doctor's prescription. In Canada, it is available without a prescription. 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 phenazopyridine, the following should be considered:
Allergies- Tell your doctor if you have ever had any unusual or allergic reaction to phenazopyridine. Also tell your health care professional if you are allergic to any other substances, such as foods, preservatives, or dyes.
Pregnancy- Phenazopyridine has not been studied in pregnant women. However, phenazopyridine has not been shown to cause birth defects in animal studies.
Breast-feeding- It is not known whether phenazopyridine passes into the breast milk. However, phenazopyridine has not been reported to cause problems in nursing babies.
Children- Although there is no specific information comparing use of phenazopyridine in children with use in other age groups, it is not expected to cause different side effects or problems in children than it does in adults.
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. Although there is no specific information comparing use of phenazopyridine in the elderly with use in other age groups, this medicine is not expected to cause different side effects or problems in older people than it does in younger adults.
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. Tell your health care professional 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 phenazopyridine. Make sure you tell your doctor if you have any other medical problems, especially:
Proper Use of This Medicine
This medicine is best taken with food or after eating a meal or a snack to lessen stomach upset.
Do not use any leftover medicine for future urinary tract problems without first checking with your doctor . An infection may require additional medicine.
The dose of phenazopyridine will be different for different patients. Follow your doctor's orders or the directions on the label . The following information includes only the average doses of phenazopyridine. If your dose is different, do not change it unless your doctor tells you to do so.
If you miss a dose of this medicine, take it as soon as you remember. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not double doses.
To store this medicine:
Precautions While Using This Medicine
Check with your doctor if symptoms such as bloody urine, difficult or painful urination, frequent urge to urinate, or sudden decrease in the amount of urine appear or become worse while you are taking this medicine .
Phenazopyridine causes the urine to turn reddish orange . This is to be expected while you are using it. This effect is harmless and will go away after you stop taking the medicine. Also, the medicine may stain clothing.
For patients who wear soft contact lenses :
For diabetic patients :
Before you have any medical tests, tell the person in charge that you are taking this medicine. The results of some tests may be affected by 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.
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