Before taking Macrobid (nitrofurantoin), tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies.
Macrobid (nitrofurantoin) should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: kidney disease (e.g., little or no urine output), a certain genetic condition (G-6-PD deficiency).
Before using Macrobid (nitrofurantoin), tell your doctor or pharmacist your medical history, especially of: liver disease, lung disease, numbness/tingling of the arms/legs, vitamin B deficiency, mineral imbalance, blood disorders (e.g., anemia), diabetes, persistent weakness due to long-term disease, certain eye disorders (e.g., optic neuritis).
Kidney function declines as you grow older. Macrobid (nitrofurantoin) is removed by the kidneys. Therefore, elderly people may be at a greater risk for side effects while using Macrobid (nitrofurantoin).
During pregnancy, Macrobid (nitrofurantoin) should be used only when clearly needed. It must not be used if you are near the end of your pregnancy (38-42 weeks), or at the time of labor and delivery. Doing so may cause a certain blood disorder (hemolytic anemia) in your baby. Discuss the risks and benefits with your doctor.
Macrobid (nitrofurantoin) passes into breast milk and may have undesirable effects on nursing infants younger than 1 month old or those with a certain genetic condition (G-6-PD deficiency). Consult your doctor before breast-feeding.
IMPORTANT NOTE: The preceding information is intended to heighten awareness of health information and does not suggest diagnosis or treatment. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. See your health care professional for medical advice and treatment.
Store at room temperature between 59-86 degrees F (15-30 degrees C) away from light and moisture. Do not store in the bathroom. Keep all medicines away from children and pets.
Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company for more details about how to safely discard your product.
IMPORTANT NOTE: The preceding information is intended to heighten awareness of health information and does not suggest diagnosis or treatment. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. See your health care professional for medical advice and treatment.
Take Macrobid (nitrofurantoin) by mouth with food, usually twice daily in the morning and evening or as directed by your doctor. Swallow the medication whole for best results.
Do not use magnesium trisilicate-containing antacids while taking Macrobid (nitrofurantoin). These antacids can bind with Macrobid (nitrofurantoin), preventing its full absorption into your system.
Antibiotics work best when the amount of medicine in your body is kept at a constant level. Therefore, take Macrobid (nitrofurantoin) at evenly spaced intervals.
Continue to take Macrobid (nitrofurantoin) until the full prescribed amount is finished, even if symptoms disappear after a few days. Stopping the medication too early may allow bacteria to continue to grow, which may result in a return of the infection.
Inform your doctor if your condition persists or worsens.
IMPORTANT NOTE: The preceding information is intended to heighten awareness of health information and does not suggest diagnosis or treatment. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. See your health care professional for medical advice and treatment.
Nausea, headache may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly.
Remember that your doctor has prescribed Macrobid (nitrofurantoin) because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using Macrobid (nitrofurantoin) do not have serious side effects.
Macrobid (nitrofurantoin) may cause your urine to turn dark yellow or brown in color. This is usually a harmless, temporary effect and will disappear when the medication is stopped. However, dark brown urine can also be a sign of rare side effects (liver problems or anemia). Therefore, seek immediate medical attention if you notice dark urine along with any of the following symptoms: persistent nausea/vomiting, stomach/abdominal pain, yellowing eyes/skin, tiredness, fast/pounding heartbeat.
Tell your doctor immediately if any of these rare but very serious side effects occur: eye pain, vision changes, mental/mood changes, persistent/severe headaches, new signs of infection (e.g., fever, persistent sore throat), easy bruising/bleeding.
Seek immediate medical attention if you develop the following rare but very serious side effects: numbness/tingling of the hands/feet, unusual muscle weakness.
Macrobid (nitrofurantoin) may rarely cause very serious (possibly fatal) lung problems. Lung problems may occur within the first month of treatment or after long-term use of Macrobid (nitrofurantoin) (generally for 6 months or longer). Seek immediate medical attention if you develop symptoms of lung problems, including: persistent cough, chest pain, shortness of breath/trouble breathing, joint/muscle pain, bluish/purplish skin.
Macrobid (nitrofurantoin) may rarely cause a severe intestinal condition (pseudomembranous colitis) due to a resistant bacteria. This condition may occur during treatment or even weeks to months after treatment has stopped. Do not use anti-diarrhea products or narcotic pain medications if you have the following symptoms because these products may make them worse. Tell your doctor immediately if you develop: persistent diarrhea, abdominal or stomach pain/cramping, blood/mucus in your stool.
Use of Macrobid (nitrofurantoin) for prolonged or repeated periods may result in oral thrush or a new vaginal yeast infection. Contact your doctor if you notice white patches in your mouth, a change in vaginal discharge, or other new symptoms.
A serious allergic reaction to Macrobid (nitrofurantoin) is unlikely, but seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction may include: rash, itching, swelling, severe dizziness, trouble breathing.
This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.
Click HERE to learn more about Macrobid side effects.
IMPORTANT NOTE: The preceding information is intended to heighten awareness of health information and does not suggest diagnosis or treatment. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. See your health care professional for medical advice and treatment.
If you miss a dose of Macrobid (nitrofurantoin), take it as soon as you remember. If it is near the time of the next dose, skip the missed dose and resume your usual dosing schedule. Do not double the dose to catch up.
IMPORTANT NOTE: The preceding information is intended to heighten awareness of health information and does not suggest diagnosis or treatment. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. See your health care professional for medical advice and treatment.
(See also How to Use section).
Your healthcare professionals (e.g., doctor or pharmacist) may already be aware of any possible drug interactions and may be monitoring you for it. Do not start, stop, or change the dosage of any medicine before checking with them first.
Before using Macrobid (nitrofurantoin), tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially: certain drugs to treat gout (uricosuric drugs such as probenecid, sulfinpyrazone), quinolone antibiotics (e.g., ciprofloxacin, levofloxacin).
Macrobid (nitrofurantoin) may interfere with certain laboratory tests (certain urine glucose tests), possibly causing false test results. Make sure laboratory personnel and all your doctors know you use Macrobid (nitrofurantoin).
This document does not contain all possible interactions. Therefore, before using this product, tell your doctor or pharmacist of all the products you use. Keep a list of all your medications with you, and share the list with your doctor and pharmacist.
IMPORTANT NOTE: The preceding information is intended to heighten awareness of health information and does not suggest diagnosis or treatment. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. See your health care professional for medical advice and treatment.