Macrobid
Nitrofurantoin 50mg and 100mg prolonged-release capsules, used for cystitis and urinary tract infection. It damages bacterial DNA in the urinary tract.
- 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.
- Conditions
- Cystitis · Urinary Tract Infection
- 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 expats 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.
Will I receive the original Macrobid?
No. Macrobid is the originator brand name, and Yasabai 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 Yasabai the same ingredient comes as Furadantin.
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.
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.
Is Macrobid available over the counter in Thailand?
Yes. In Thailand nitrofurantoin is sold by pharmacists without a prescription, and Yasabai does not ask for one either. 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 Thailand?
Yes. Our pharmacy partners ship from India to Thailand and across Asia 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.
- A regulated generic matches the original ingredient for ingredient by legal standard.