Nitrofurantoin

🧮 Dose calculator

Urinary tract infection · Regimen source: FDA Macrobid · Dosage and Administration

Enter age (weight is optional for this regimen).

👥 Special populations

• 🤰 PregnancyContraindicated

  Label: contraindicated in pregnancy. FDA Nitrofurantoin macro · CONTRAINDICATIONS

  “Because of the possibility of hemolytic anemia due to immature erythrocyte enzyme systems (glutathione instability), the drug is contraindicated in pregnant patients at term (38 to 42 weeks' gestation), during labor and delivery, or when the onset of labor is imminent.”

• 🤱 BreastfeedingDangerous / avoid

  Label: breastfeeding not recommended, or choose between the drug and breastfeeding. FDA Nitrofurantoin macro · Precautions/Warnings – Nursing Mothers

  “Because of the potential for serious adverse reactions from nitrofurantoin in nursing infants under one month of age, a decision should be made whether to discontinue nursing or to discontinue the drug, taking into account the importance of the drug to the mother (see CONTRAINDICATIONS ).”

• 👶 ChildrenUse with caution

  The label has conditions, age limits or notes for children; the label sentence is quoted below. FDA Nitrofurantoin macro · Precautions/Warnings – Pediatric Use

  “Nitrofurantoin capsules (macrocrystals) are contraindicated in infants below the age of one month (see CONTRAINDICATIONS ).”

• 👴 Older adultsUse with caution

  Label: use with caution in older adults, usually starting at the low end of the dose range. FDA Nitrofurantoin macro · Precautions/Warnings – Geriatric Use

  “Because elderly patients are more likely to have decreased renal function, care should be taken in dose selection, and it may be useful to monitor renal function.”

• ⚥ Females & males of reproductive potentialNo data

  The source for this drug has no section for this group.