Nitrofurantoin 100mg is a prescription antibiotic used to treat and prevent certain bacterial urinary tract infections (UTIs). It works by killing or inhibiting the growth of bacteria in the urinary tract, helping relieve symptoms such as painful urination, urinary frequency, and urgency.

Prescription Only Medicine (POM).

Key Benefits

• Effective treatment for uncomplicated urinary tract infections (UTIs)
• Helps eliminate susceptible bacteria causing bladder infections
• May be used to prevent recurrent UTIs in selected patients
• Concentrates in the urine where the infection occurs
• Suitable for adults and certain pediatric patients as prescribed by a healthcare provider

What It Is / How It Works

What is Nitrofurantoin?

Nitrofurantoin is an antibiotic specifically used for treating bacterial infections of the lower urinary tract. It is commonly prescribed for bladder infections (cystitis) caused by susceptible bacteria.

How It Works

Nitrofurantoin works by interfering with essential bacterial processes, preventing bacteria from growing and multiplying. Because it becomes concentrated in the urine, it is particularly effective for infections located in the bladder and lower urinary tract.

Uses / Indications

Nitrofurantoin 100mg may be prescribed for:

• Acute uncomplicated urinary tract infections (UTIs)
• Recurrent urinary tract infections
• Prevention of recurrent UTIs in selected patients
• Bladder infections (cystitis)
• Certain lower urinary tract bacterial infections caused by susceptible organisms

Dosage & Administration

Prescription Only Medicine

Use only as prescribed by a healthcare provider.

• Take the medicine exactly as directed by your doctor.
• It is generally recommended to take Nitrofurantoin with food or milk to improve absorption and reduce stomach upset.
• Complete the full course even if symptoms improve earlier.
• Do not skip doses or stop treatment without medical advice.

Possible Side Effects

Common side effects may include:

• Nausea
• Vomiting
• Loss of appetite
• Stomach discomfort
• Headache
• Dizziness

Less common but serious side effects may include:

• Breathing difficulties
• Liver problems
• Severe allergic reactions
• Peripheral neuropathy (nerve-related symptoms)
• Lung-related adverse effects during prolonged use

Seek immediate medical attention if severe side effects occur.

Warnings & Precautions

Before Using Nitrofurantoin

• Do not use if allergic to nitrofurantoin or related medicines.
• Inform your healthcare provider if you have kidney disease, liver disease, anemia, diabetes, or G6PD deficiency.
• Not suitable for some patients with significantly reduced kidney function.
• Inform your doctor if you are pregnant, planning pregnancy, or breastfeeding.
• Nitrofurantoin is not typically used for kidney infections (pyelonephritis).

Drug Interactions

Nitrofurantoin may interact with:

• Certain antacids
• Probenecid
• Sulfinpyrazone
• Other medications that affect kidney function

Always inform your healthcare provider about all medicines you are taking.

Storage Instructions

• Store below 25°C.
• Keep in the original packaging.
• Protect from moisture and direct sunlight.
• Keep out of reach of children.
• Do not use after the expiry date.

Mandatory Disclaimer

This medicine requires a valid prescription. Do not use without medical advice.