Effective antibiotic treatment for cystitis.

MacroBID is a well-known antibiotic used to treat cystitis. It’s also the brand name for the generic drug Nitrofurantoin.
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MacroBID is an antibiotic tablet that’s used to tackle cystitis. It contains the active ingredient nitrofurantoin, and it’s one of the preferred treatment options for urinary tract infections, along with Trimethoprim. Each tablet contains 75 mg nitrofurantoin monohydrate and 25 mg nitrofurantoin macrocrystals.
MacroBID isn't used to treat infections outside the urinary tract or bladder.
The bacteria most commonly responsible for cystitis is called escherichia coli. It’s a naturally occurring bacteria in the human body. It’s also present in our urine, but an infection often occurs when it gains access to the bladder from an external source, and it then begins to multiply.
The two active ingredients in MacroBID, nitrofurantoin monohydrate and nitrofurantoin macrocrystals, stop the bacteria from multiplying and kill it, which clears up the infection.
Cystitis is responsible for nearly 95% of symptomatic urinary tract infections. It’s estimated that between 140 and 175 million urinary tract infections occur annually worldwide. Cystitis has a number of causes but it’s mostly triggered by a bacterial infection or when there's an imbalance in the body's microflora. Sometimes, cystitis is also drug-induced.
For cystitis treatment, MacroBID is available in a 100 mg dose. You should take one capsule twice a day for seven days.
If you’re still experiencing symptoms of cystitis after completing your course of treatment, you should contact our clinician. This is because continuous use has been linked with the development of kidney stones. Our clinician can advise you on what the next steps are, or on alternative treatment options.
How we source info.
When we present you with stats, data, opinion or a consensus, we’ll tell you where this came from. And we’ll only present data as clinically reliable if it’s come from a reputable source, such as a state or government-funded health body, a peer-reviewed medical journal, or a recognised analytics or data body. Read more in our editorial policy.
If your body doesn’t resist the drug, MacroBID should successfully clear the infection within the treatment course. Usually, symptoms of the infection start to disappear within 24 hours.
Even if you feel better before your treatment course is complete, you should still finish it. There may still be bacteria that’s inactive (but still living) in the urinary tract. Failure to complete the course might cause the bacteria to become resistant to the medication. If you have a recurring infection, MacroBID may not be as effective as it was initially.
If you miss a dose, you shouldn’t take a double dose to make up for the one you miss. Instead, take the next dose as normal and continue the full course as before. If you suspect you have overdosed on MacroBID, please seek immediate medical assistance.
How we source info.
When we present you with stats, data, opinion or a consensus, we’ll tell you where this came from. And we’ll only present data as clinically reliable if it’s come from a reputable source, such as a state or government-funded health body, a peer-reviewed medical journal, or a recognised analytics or data body. Read more in our editorial policy.
Have something specific you want to know? Search our info below, or ask our experts a question if you can’t find what you’re looking for.
Antibiotherapy and pathogenesis of uncomplicated UTI: difficult relationships. Journal of Applied Microbiology, 106(6), pp.1779–1791.
Macrobid Capsules 100mg B.P - Summary of Product Characteristics (SmPC) - (emc).
Very efficient
Very efficient
Good quick service
Good quick service
Registered with GMC (No. 4624794)
Meet DanielRegistered with GPhC (No. 2202465)
Meet SanjedaRegistered with GPhC (No. 2070724)
Meet CraigDelivery, consultation, treatment. It’s all included in the price.
Quantity | Starting from |
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6 Capsules | £33.95 |
14 Capsules | £39.95 Save £39.27 |
Quantity | Starting from |
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12 Tablets | £41.95 |
28 Tablets | £66.95 Save £30.93 |
Quantity | Starting from |
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6 Tablets | £28.95 |
14 Tablets | £37.95 Save £29.60 |
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UTI: Here are some other options.
Widely used generic antibiotic available in two forms. Can clear UTIs in 7 days.
Clears persistent UTIs. 3 day course for women, 7 day course for men.
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