This may lessen stomach upset and help your body to absorb the medicine. Nitrofurantoin is best taken with food or milk. Do not take more of it, do not take it more often, and do not take it for a longer time than your doctor ordered. Take this medicine only as directed by your doctor. Urinating problems (e.g., unable to urinate or decreased amount of urine)-Should not be used in patients with these conditions. Liver disease, history of with this medicine, or The effects may be increased because of slower removal of the medicine from the body. Kidney disease (not infection)-Use with caution. Glucose-6-phosphate dehydrogenase (G6PD) deficiency (an enzyme problem in red blood cells)-May cause hemolytic anemia (red blood cells are destroyed) in patients with this condition. Vitamin B deficiency-May increase the chance for side effects. Make sure you tell your doctor if you have any other medical problems, especially: The presence of other medical problems may affect the use of this medicine. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco. Using alcohol or tobacco with certain medicines may also cause interactions to occur. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.Ĭertain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using this medicine with any of the following medicines is usually not recommended, but may be required in some cases. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive. When you are taking this medicine, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. In these cases, your doctor may want to change the dose, or other precautions may be necessary. Drug InteractionsĪlthough certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. Studies in women suggest that this medication poses minimal risk to the infant when used during breastfeeding. However, elderly patients are more likely to have age-related heart, liver, lung, or kidney problems, which may require caution in patients receiving nitrofurantoin. GeriatricĪppropriate studies performed to date have not demonstrated geriatric-specific problems that would limit the usefulness of nitrofurantoin in the elderly. Safety and efficacy have not been established in infants below 1 month of age. Appropriate studies performed to date have not demonstrated pediatric-specific problems that would limit the usefulness of nitrofurantoin in children.

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