The instructions must include:
Urinary tract infections are treated with nitrofurantoin. The drug nitrofurantoin belongs to the category of drugs known as antibiotics. It functions by eradicating the infection-causing germs.
Colds, the flu, or any other viral diseases will not be treated by antibiotics like nitrofurantoin. Antibiotic overuse raises the likelihood that you'll get an illness later on that is resistant to antibiotic therapy.
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