Nitrofurantoin is an anti-infective used to treat or prevent infections of the urinary tract. It may also be used to treat other conditions as determined by your doctor.
Why is Nitrofurantoin prescribed?
Nitrofurantoin, an antibacterial drug, is prescribed for the treatment of urinary tract infections caused by certain strains of bacteria.
Where can I order Nitrofurantoin from? Can I buy Nitrofurantoin at Canadian Prices?
Yes, if you are from the U.S. then you can buy Nitrofurantoin at Canadian prices. Currently we will only accept an order for Nitrofurantoin from U.S. and Canadian residents. Both U.S. and Canadian residents require a prescription to purchase Nitrofurantoin and when you order Nitrofurantoin it will be delivered with express shipping.
Most important fact about Nitrofurantoin
Breathing disorders have occurred in people taking Nitrofurantoin. The drug can cause inflammation of the lungs marked by coughing, difficulty breathing, and wheezing. It has also been known to cause pulmonary fibrosis (an abnormal increase in fibrous tissue of the lungs). This condition can develop gradually without symptoms and can be fatal. An allergic reaction to this drug is also possible and may occur without warning. Symptoms include a feeling of ill health and a persistent cough. However, all these reactions occur rarely and generally in those receiving Nitrofurantoin therapy for 6 months or longer. Sudden and severe lung reactions are characterized by fever, chills, cough, chest pain, and difficulty breathing. These acute reactions usually occur within the first week of treatment and subside when therapy with Nitrofurantoin is stopped.
Your doctor should monitor your condition closely, especially if you are receiving long-term treatment with this medication.
How should you take Nitrofurantoin?
To improve absorption of the drug, Nitrofurantoin should be taken with food. Follow your doctor's instructions carefully. Take the full amount prescribed, even if you are feeling better. This medication works best if your urine is acidic. Ask your doctor whether you should be taking special measures to assure its acidity. Nitrofurantoin may turn the urine brown. --If you miss a dose...Take the forgotten dose as soon as you remember, then space out the rest of the day's doses at equal intervals. --Storage instructions...
Store at room temperature. Protect from light and keep the container tightly closed.
What Nitrofurantoin side effects may occur?
Side effects cannot be anticipated. If any develop or change in intensity, inform your doctor as soon as possible. Only your doctor can determine if it is safe for you to continue taking Nitrofurantoin.
More common side effects may include:
Lack or loss of appetite, nausea, vomiting
Less common or rare side effects may include:
Abdominal pain/discomfort, blue skin, chills, confusion, cough, chest pain, depression, diarrhea, difficulty breathing, dizziness, drowsiness, exaggerated sense of well-being, eye disorder, fever, hair loss, headache, hepatitis, hives, inflammation of the nerves causing symptoms of numbness, tingling, pain, or muscle weakness, intestinal inflammation, involuntary eye movement, irregular heartbeat, itching, itchy red skin patches, joint pain, muscle pain, peeling skin, psychotic reactions, rash, severe allergic reactions, skin inflammation with flaking, skin swelling or welts, vertigo, yellowing of the skin and whites of the eyes, weakness,
Possible food and drug interactions when taking Nitrofurantoin
If Nitrofurantoin is taken with certain other drugs, the effects of either could be increased, decreased, or altered. It is especially important to check with your doctor before combining Nitrofurantoin with the following:
Magnesium trisilicate (Gaviscon Antacid Tablets)
The gout drugs probenecid and sulfinpyrazone and other drugs that increase the amount of uric acid in the urine
Special Nitrofurantoin information if you are pregnant or breastfeeding
The safety of Nitrofurantoin during pregnancy and breastfeeding has not been established. Nitrofurantoin does appear in human breast milk. If you are pregnant or breastfeeding or you plan to become pregnant or breastfeed, inform your doctor immediately.
Recommended Nitrofurantoin dosage
Treatment with Nitrofurantoin should be continued for 1 week or for at least 3 days after obtaining a urine specimen free of infection. If your infection has not cleared up, your doctor should re-evaluate your case.
ADULTS
The recommended dosage of Nitrofurantoin is 50 to 100 milligrams taken 4 times a day. For long-term treatment, your doctor may reduce your dosage to 50 to 100 milligrams taken at bedtime. The recommended dosage of Macrobid is one 100 milligram capsule every 12 hours for 7 days.
CHILDREN
This medication should not be prescribed for children under 1 month of age. The recommended daily dosage of Nitrofurantoin for infants and children over 1 month of age is 5 to 7 milligrams per 2.2 pounds of body weight, divided into 4 doses over 24 hours. For the long-term treatment of children, the doctor may prescribe daily doses as low as 1 milligram per 2.2 pounds of body weight taken in 1 or 2 doses per day. The dosage of Macrobid for children over 12 years of age is one 100 milligram capsule every 12 hours for 7 days. Safety and effectiveness have not been established for children under 12.
OLDER ADULTS
Doctors tend to prescribe lower doses of Nitrofurantoin for older adults. The drug is more likely to cause lung and liver problems in members of this group; and because more older adults have poor kidneys, the risk of toxic reactions to Nitrofurantoin is also greater.
Nitrofurantoin Overdosage
An overdose of Nitrofurantoin does not cause any specific symptoms other than vomiting. If vomiting does not occur soon after an excessive dose, it should be induced.
If you suspect an overdose, seek emergency medical treatment immediately.
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