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nitrofurantoin monohydrate – nitrofurantoin macrocrystals
Nitrofurantoin belongs to the class of medications called antibiotics. It is used to treat urinary tract infections or bladder infections caused by certain types of bacteria. It works by killing the bacteria and preventing the bacteria from reproducing.
This medication may be available under multiple brand names and/or in several different forms. Any specific brand name of this medication may not be available in all of the forms or approved for all of the conditions discussed here. As well, some forms of this medication may not be used for all of the conditions discussed here.
Your doctor may have suggested this medication for conditions other than those listed in these drug information articles. If you have not discussed this with your doctor or are not sure why you are taking this medication, speak to your doctor. Do not stop taking this medication without consulting your doctor.
Do not give this medication to anyone else, even if they have the same symptoms as you do. It can be harmful for people to take this medication if their doctor has not prescribed it.
Each opaque, yellow and white hard shell gelatin capsule containing yellowish white powder and printed in black “N” over “0197” and “50” on opposing cap and body portions of the capsule contains 50 mg of nitrofurantoin. Nonmedicinal ingredients: dibasic calcium phosphate dihydrate, pregelatinized starch, talc; capsule shell: D&C Yellow No. 10, FD&C Yellow No. 6, gelatin and titanium dioxide.
Each opaque yellow, hard shell gelatin capsule containing yellowish white powder and printed in black “N” and “100” on the opposing cap and body portions of the capsule contains 100 mg nitrofurantoin. Nonmedicinal ingredients: lactose, corn starch, talc, colloidal silicon dioxide; capsule shell: D&C Yellow No. 10, FD&C Yellow No. 6, gelatin, and titanium dioxide.
The recommended dose of this medication for adults and children over 12 years old is 50 mg to 100 mg 4 times daily. Nitrofurantoin should be taken with food or milk to reduce the risk of stomach upset.
The recommended dose of nitrofurantoin for children is based on body size. It is calculated as 5 mg to 7 mg per kilogram of body weight per day, divided into 4 equal doses.
Many things can affect the dose of medication that a person needs, such as body weight, other medical conditions, and other medications. If your doctor has recommended a dose different from the ones listed here, do not change the way that you are taking the medication without consulting your doctor.
It is important to take this medication exactly as prescribed by your doctor. Finish all of this medication, even if you start to feel better. If you miss a dose, take it as soon as possible and continue with your regular schedule. If it is almost time for your next dose, skip the missed dose and continue with your regular dosing schedule. Do not take a double dose to make up for a missed one. If you are not sure what to do after missing a dose, contact your doctor or pharmacist for advice.
Store this medication at room temperature, protect it from light and moisture, and keep it out of the reach of children.
Do not dispose of medications in wastewater (e.g. down the sink or in the toilet) or in household garbage. Ask your pharmacist how to dispose of medications that are no longer needed or have expired.
Do not take nitrofurantoin if you:
Do not give this medication to infants under one month of age.
Many medications can cause side effects. A side effect is an unwanted response to a medication when it is taken in normal doses. Side effects can be mild or severe, temporary or permanent.
The side effects listed below are not experienced by everyone who takes this medication. If you are concerned about side effects, discuss the risks and benefits of this medication with your doctor.
The following side effects have been reported by at least 1% of people taking this medication. Many of these side effects can be managed, and some may go away on their own over time.
Contact your doctor if you experience these side effects and they are severe or bothersome. Your pharmacist may be able to advise you on managing side effects.
Although most of the side effects listed below don’t happen very often, they could lead to serious problems if you do not seek medical attention.
Check with your doctor as soon as possible if any of the following side effects occur:
Stop taking the medication and seek immediate medical attention if any of the following occur:
Some people may experience side effects other than those listed. Check with your doctor if you notice any symptom that worries you while you are taking this medication.
Before you begin using a medication, be sure to inform your doctor of any medical conditions or allergies you may have, any medications you are taking, whether you are pregnant or breast-feeding, and any other significant facts about your health. These factors may affect how you should use this medication.
Discoloration of urine: This medication may turn your urine a rust yellow or brown colour. This is a normal effect of the medication and is not a cause for concern.
Liver function: Nitrofurantoin may reduce liver function and can cause liver failure. If you have liver problems, discuss with your doctor how this medication may affect your medical condition, how your medical condition may affect the dosing and effectiveness of this medication, and whether any special monitoring is needed. Your doctor may want to test your liver function regularly with blood tests while you are taking this medication.
Lung inflammation: Lung inflammation (interstitial lung disease), causing difficulty breathing has occurred rarely in some people taking this medication. This complication can be serious and sometimes fatal. If you experience new or worsening shortness of breath or cough (with or without fever) at any time while you are taking nitrofurantoin, contact your doctor immediately.
Overgrowth of organisms: The use of this medication may cause an overgrowth of microorganisms not killed by the medication, with results such as yeast infections and resistant bacteria.
Pregnancy: This medication should not be used during pregnancy unless the benefits outweigh the risks. Do not use this medication if you are in labour or expect to go into labour soon (i.e., you are close to your due date). If you become pregnant while taking this medication, contact your doctor immediately.
Breast-feeding: This medication passes into breast milk. If you are a breast-feeding mother and are taking nitrofurantoin, it may affect your baby. Talk to your doctor about whether you should continue breast-feeding.
Children: The safety and effectiveness of using this medication have not been established for children less than one month of age.
There may be an interaction between nitrofurantoin and any of the following:
If you are taking any of these medications, speak with your doctor or pharmacist. Depending on your specific circumstances, your doctor may want you to:
An interaction between two medications does not always mean that you must stop taking one of them. Speak to your doctor about how any drug interactions are being managed or should be managed.
Medications other than those listed above may interact with this medication. Tell your doctor or prescriber about all prescription, over-the-counter (non-prescription), and herbal medications you are taking. Also tell them about any supplements you take. Since caffeine, alcohol, the nicotine from cigarettes, or street drugs can affect the action of many medications, you should let your prescriber know if you use them.
All material copyright MediResource Inc. 1996 – 2019. Terms and conditions of use. The contents herein are for informational purposes only. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. Source: www.medbroadcast.com/drug/getdrug/Teva-Nitrofurantoin
All material © 1996-2018 MediResource Inc. Terms and conditions of use. The contents herein are for informational purposes only. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.