The name of this medicine is Nitrofurantoin which contains the active substance, nitrofurantoin BP and is available in strengths of 50 mg and 100 mg per tablet.
Nitrofurantoin is an antibiotic. It is used to prevent and treat infections of the bladder, kidney and other parts of the urinary tract.
2.What you need to know before you take your medicine Do not take these tablets and talk to your doctor if: - you are allergic (causing itching, reddening of the skin or difficulty in breathing) to Nitrofurantoin or any of the other ingredients of this medicine (listed in section 6) - you have a disease of the kidneys which is severely affecting the way they work (ask your doctor if you are not sure) - you are in the final stages of pregnancy (labour or delivery) as there is a risk that it might affect the baby - you have porphyria (blood disorder) - you have G6PD (glucose-6-phosphate dehydrogenase) deficiency - in infants under three months of age - you are breast feeding a baby with suspected or known deficiency in an enzyme called G6PD (glucose- 6-phosphate dehydrogenase). Tell your doctor if you are not sure about any of the above