How much nitrofurantoin should I take for a UTI?

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How much nitrofurantoin should I take for a UTI?​

The usual dose of nitrofurantoin to treat a urinary tract infection is either 100mg taken twice a day or 50mg taken 4 times a day. Severe infections may need a higher dose of 100mg taken 4 times a day. The usual dose of nitrofurantoin to prevent a urinary tract infection is 50mg to 100mg once a day at night.

What is another name for nitrofurantoin?​

Nitrofurantoin is also called Nifuran or Macrobid. What is nitrofurantoin? Nitrofurantoin is an antibiotic that is used to treat and prevent infections of the urinary tract, such as bladder infections. It works by killing or stopping the growth of the bugs that cause the infection.
Adverse reactions to nitrofurantoin may occur with both acute treatment and prophylaxis of genitourinary infections. Pulmonary reactions, both acute and chronic, are the most commonly reported adverse reaction. Nitrofurantoin — do the benefits outweigh the risks long-term? (June 2012)
How long can you take nitrofurantoin for a cold?
Nitrofurantoin will not treat a viral infection such as the common cold or flu. Nitrofurantoin is usually given for up to 3 days after lab tests show that the infection has cleared. If you use this medicine long-term, you may need frequent medical tests at your doctor’s office.

What happens if you skip a dose of nitrofurantoin?
Skipping doses may also increase your risk of further infection that is resistant to antibiotics. Nitrofurantoin will not treat a viral infection such as the common cold or flu. Nitrofurantoin is usually given for up to 3 days after lab tests show that the infection has cleared.

What is the best time of day to take nitrofurantoin?​

If you’re taking nitrofurantoin twice a day, leave 12 hours between each dose – for example, at 8am and 8pm. If you’re taking it 4 times a day, this will usually be first thing in the morning, at about midday, late in the afternoon, and at bedtime. Generally, it’s better to take nitrofurantoin with a meal or snack.