sulfisoxazole with phenazopyridine-oral, Azo-Gantrisin (cont.)
SIDE EFFECTS: This medication may cause stomach upset, diarrhea, nausea, headache or vomiting during the first few days as your body adjusts to the medication. If these symptoms persist or become severe, inform your doctor. This may cause urine to be orange-brown in color. This is not a cause for concern and will disappear when the medication is stopped. Rarely, this medication can cause serious, even fatal, side effects such as a severe peeling skin rash known as Stevens- Johnson syndrome, blood disorders (e.g., agranulocytosis, aplastic anemia), or liver damage. Seek immediate medical attention if you develop any of the following symptoms: skin rash or blisters, unusual fatigue, persistent sore throat or fever, yellowing eyes or skin, dark urine, abdominal pain. In the unlikely event you have an allergic reaction to this drug, seek immediate medical attention. Symptoms of an allergic reaction include: rash, itching, swelling, dizziness, trouble breathing. If you notice other effects not listed above, contact your doctor or pharmacist.
PRECAUTIONS: Be sure doctor knows your complete medical history, including: allergies (especially drug allergies). This medication may make you more sensitive to the sun. Avoid prolonged sun exposure; use a sunscreen and wear protective clothing when outdoors. This medication can affect the results of some diabetic urine testing products (cupric sulfate-type). Consult your doctor or pharmacist for recommendations. This medicine should be used during pregnancy only if clearly needed. Since small amounts of the drug appear in breast milk, consult with your doctor before breast-feeding.
DRUG INTERACTIONS: Inform your doctor about all the medicine you use (both prescription and nonprescription), especially of: "blood thinners" (e.g., warfarin), oral diabetes drugs, phenytoin, cyclosporine, oral PABA. This drug may interfere with the effectiveness of birth control pills. Discuss using other methods of birth control with your doctor. Do not start or stop any medicine without doctor or pharmacist approval.
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