phenazopyridine/hyoscyamine/butabarbital - oral (cont.)
PRECAUTIONS: Before taking phenazopyridine/hyoscyamine/butabarbital, tell your doctor or pharmacist if you are allergic to any of these drugs; or if you have any other allergies.This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: kidney disease, liver disease, blood disorders (e.g., G6PD deficiency, hemolytic anemia, porphyria), glaucoma, urinary blockage problems, enlarged prostate.Before using this medication, tell your doctor or pharmacist your medical history, especially of: stomach or intestinal disorders, overactive thyroid (hyperthyroidism), heart problems (e.g., coronary artery disease, congestive heart failure, arrhythmias), high blood pressure, mental/mood disorders, history of drug abuse, severe breathing problems, certain nervous system problems (autonomic neuropathy), myasthenia gravis.This drug may make you dizzy or drowsy or cause blurred vision. Do not drive, use machinery, or do any activity that requires alertness or clear vision until you are sure you can perform such activities safely.Avoid alcoholic beverages while using this medication, since alcohol may intensify the side effects.Before having surgery, tell your doctor or dentist that you are using this medication.Phenazopyridine can dye your urine and tears orange-red. This may stain clothing and contact lenses. Do not wear contact lenses while using this medication. Urine and tears will return to normal color after the medication is stopped.This drug may increase the risk for heatstroke because it decreases sweating. Avoid becoming overheated in hot weather, saunas, and during exercise or other strenuous activity.Kidney function declines as you grow older. This medication is removed by the kidneys. Therefore, elderly people may be at greater risk for change in amount of urine or yellowing skin/eyes.This medication is not recommended for use during pregnancy. Consult your doctor for more details.This combination product contains a barbiturate. Barbiturates pass into breast milk and may have undesirable effects on a nursing infant. Therefore, breast-feeding while using this drug is not recommended.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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