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Macrobid

Macrobid

Nitrofurantoin

Nitrofurantoin 50mg and 100mg prolonged-release capsules, used for cystitis and urinary tract infection. It damages bacterial DNA in the urinary tract.

All strengths and pack prices
StrengthPackPricePer unit
50mg120 tabletsUS$94.80US$0.79
50mg180 tabletsUS$126.00US$0.70
50mg360 tabletsUS$244.80US$0.68
100mg30 tabletsUS$27.90US$0.93
100mg60 tabletsUS$47.40US$0.79
100mg90 tabletsUS$64.80US$0.72
100mg120 tabletsUS$79.20US$0.66
100mg180 tabletsUS$100.80US$0.56
100mg360 tabletsUS$172.80US$0.48
Category
Antibiotics
Active ingredient
Nitrofurantoin
Route
Oral use
Form
Prolonged-release capsule, hard
Strengths
50 · 100mg

You will receive a quality generic equivalent, depending on stock.

No prescription needed: we place your order for Macrobid on your behalf.

Alternative names
Macrodantin
Therapeutic class
Urinary Anti-infective
Pharmacological class
Nitrofuran
Contraindications
renal impairment; hypersensitivity to nitrofurantoin
Precautions and warnings
may colour urine brown; monitor for pulmonary symptoms
Minor side effects
nausea; headache
Moderate side effects
diarrhoea; abdominal ache
Dosage forms
Prolonged-release capsule, hard
Administration route
Oral use
Onset time
1–2 hours
Duration
12 hours
Storage instructions
Store below 25°C.
Drug interactions
magnesium trisilicate; probenecid
Age restrictions
Caution in elderly.
Serious side effects

pulmonary fibrosis, requires immediate medical attention; haepatotoxicity, requires immediate medical attention; peripheral neuropathy, requires immediate medical attention

Patient summary

Nitrofurantoin 50mg and 100mg prolonged-release capsules, used for cystitis and urinary tract infection. It damages bacterial DNA in the urinary tract.

Mechanism of action

Nitrofurantoin damages bacterial DNA in susceptible organisms, preventing growth within the urinary tract.

Pregnancy and breastfeeding

Pregnancy: Use with caution. Avoid at term. Breastfeeding: Confirm breastfeeding suitability with a qualified clinician or pharmacist before use.

Macrobid contains nitrofurantoin, an antibiotic commonly used to treat cystitis and urinary tract infection. This treatment, also sold under the brand name Macrodantin, is supplied as a tablet with strengths of 50mg and 100mg. It functions by acting directly on the source of the infection within the urinary tract.

Buying Macrobid online

Generic nitrofurantoin, much of it made in India, is often more affordable than the original brand for Australians and those living far from local pharmacy stock. While widely accessible, this medicine is best used under a doctor’s care to ensure appropriate treatment for your specific needs.

FAQ

What does Macrobid treat?

Macrobid contains nitrofurantoin, used for cystitis and urinary tract infection. Nitrofurantoin damages bacterial DNA in susceptible organisms, preventing growth within the urinary tract.

Will I receive the original Macrobid?

No. Macrobid is the originator brand name, and AU Chemist uses it to identify the medicine: you receive a generic with the same active ingredient (nitrofurantoin) at the same dose, mostly a recognised Indian branded generic. The exact brand depends on stock.

What is the price of Macrobid?

The price varies with strength and pack size. Macrobid comes in 50 and 100mg strengths, in packs of 30 to 360 tablets, and the price per tablet for every option is shown above, in US dollars or the currency you choose. Larger packs cost less per tablet. Paying with Bitcoin or Ethereum gives you an extra 10% off.

What other names is Macrobid sold under?

Other brands of nitrofurantoin include Macrodantin. On AU Chemist the same ingredient comes as Furadantin.

When does Macrobid start working?

Nitrofurantoin usually starts to work within 1 to 2 hours, and its effect lasts about 12 hours. How quickly it works can differ from one person to another.

Does Macrobid have side effects?

Yes. The common side effects of nitrofurantoin are nausea and headache. Less common ones include diarrhoea and abdominal ache. Serious but less common side effects include pulmonary fibrosis, haepatotoxicity and peripheral neuropathy, which need urgent medical attention.

Can I take Macrobid with other medicines?

Nitrofurantoin can interact with magnesium trisilicate and probenecid. Tell your doctor or pharmacist about every medicine you take before you start Macrobid.

Can I order Macrobid online without a prescription?

Yes, online. AU Chemist does not ask for a prescription to order nitrofurantoin. We are an online store, not a dispensing pharmacy; we arrange your order and delivery on your behalf.

Ordering without a prescription →

Can I order Macrobid online for delivery in Australia?

Yes. Our pharmacy partners ship from India to Australia in discreet packaging. Standard Airmail takes up to 3 weeks; Express Tracked Courier takes up to 1 week.

How ordering works →

What you will receive

Macrobid is the originator brand name, made by Alident. We use it here to identify the medicine only; we are not affiliated with Alident and do not ship the original Macrobid.

  • You receive a generic equivalent: the same active ingredient (Nitrofurantoin) at the same dose, mostly recognised Indian branded generics from vetted manufacturers.
  • The exact brand supplied depends on what is in stock at the dispatching warehouse.
  • Inactive ingredients, tablet appearance and packaging can differ from the original brand; the active ingredient and dose are the same.