nitrofurantoin

This medicine is an antibiotic used for treating and preventing urinary tract infections caused by certain bacteria.

This medicine is an antibiotic used for treating and preventing urinary tract infections caused by certain bacteria.
CAUTIONS: DO NOT USE THIS MEDICINE IF you are allergic to any ingredient in this medicine. LAB TESTS may be performed while you use this medicine. These tests may be used to monitor your condition or check for side effects. Be sure to keep all doctor and lab appointments. THIS MEDICINE MAY CAUSE DROWSINESS OR DIZZINESS. These effects may be worse if you take it with alcohol or certain medicines. Use this medicine with caution. Do not drive or perform other possibly unsafe tasks until you know how you react to it. THIS MEDICINE MAY RARELY CAUSE SEVERE AND SOMETIMES FATAL LUNG PROBLEMS. If this occurs, it is usually in patients who take this medicine for 6 months or longer. These problems may occur without warning signs. If you will be using this medicine for a long period of time, your doctor may perform lung function tests to check for side effects. Tell your doctor right away if you develop fever, chills, chest pain, unusual cough, trouble breathing (especially while you are being active), other breathing problems, or persistent feeling of being unwell. THIS MEDICINE MAY RARELY CAUSE SEVERE AND SOMETIMES FATAL LIVER PROBLEMS. Tell your doctor right away if you develop yellowing of the skin or eyes; pale stools; or severe or persistent nausea, loss of appetite, or stomach pain. THIS MEDICINE MAY RARELY CAUSE SEVERE AND SOMETIMES FATAL NERVE PROBLEMS. The risk may be greater in patients who have decreased kidney function, anemia, diabetes, electrolyte problems, or low blood vitamin B levels. Tell your doctor right away if you develop numbness, burning, or tingling in the hands or feet. MILD DIARRHEA IS COMMON WITH ANTIBIOTIC USE. However, a more serious form of diarrhea (pseudomembranous colitis) may rarely occur. This may develop while you use the antibiotic or within several months after you stop using it. Contact your doctor right away if stomach pain or cramps, severe diarrhea, or bloody stools occur. Do not treat diarrhea without first checking with your doctor. LONG-TERM OR REPEATED USE OF THIS MEDICINE may cause a second infection. Tell your doctor if signs of a second infection occur. THIS MEDICINE MAY DISCOLOR THE URINE. This is normal and not a cause for concern. BEFORE YOU BEGIN TAKING ANY NEW MEDICINES, either prescription or over-the-counter, check with your doctor or pharmacist. Use this medicine with caution in the ELDERLY; they may be more sensitive to its effects. FOR WOMEN: IF YOU BECOME PREGNANT, contact your doctor. You will need to discuss the benefits and risks of using this medicine while you are pregnant. DO NOT TAKE THIS MEDICINE IF you are at term (38 to 42 weeks pregnant), if you are about to go into labor, or if you are in labor. THIS MEDICINE IS FOUND in breast milk. DO NOT BREAST-FEED infants younger than 1 month old while you are taking this medicine. If your child is older than 1 month, check with your doctor before breastfeeding to discuss the risks to your baby. DIABETES PATIENTS: This medicine may cause the results of some tests for urine glucose to be wrong. Ask your doctor before you change your diet or the dose of your diabetes medicine.
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