Noroxin

Some people find needle-shaped crystals in their urine after taking Noroxin. Drink plenty of fluids while taking Noroxin. This will increase urine output and reduce crystallization.

Noroxin may cause dizziness or light-headedness and might impair your ability to drive a car or operate potentially dangerous machinery. Use caution when undertaking any activities that require full alertness if you are unsure of your ability.

You should avoid excessive exposure to direct sunlight while taking Noroxin. Stop taking Noroxin and contact your doctor immediately if you have a severe reaction to sunlight, such as a skin rash.

Possible food and drug interactions when taking Noroxin

If Noroxin is taken with certain other drugs, the effects of either could be increased, decreased, or altered. It is especially important to check with your doctor before combining Noroxin with the following:

Antacids such as Maalox and Tums
Caffeine (including coffee, tea, and some soft drinks)
Calcium supplements
Cyclosporine (Sandimmune, Neoral)
Didanosine (Videx)
Glyburide (Micronase)
Multivitamins and other products containing iron or zinc
Nitrofurantoin (Macrodantin, Macrobid)
Oral blood thinners such as warfarin (Coumadin)
Probenecid (Benemid)
Sucralfate (Carafate)
Theophylline (Theo-Dur)

Special information if you are pregnant or breastfeeding

The effects of Noroxin during pregnancy have not been adequately studied. Inform your doctor if you are pregnant or planning a pregnancy.

Do not take Noroxin while breastfeeding. There is a possibility of harm to the infant.

Recommended dosage

Take Noroxin with a full glass of water 1 hour before, or 2 hours after, eating a meal or drinking milk. Drink plenty of liquids while taking Noroxin.

The elderly and people with kidney problems may need to use a reduced dosage or have their kidney function monitored.

Uncomplicated Urinary Tract Infections

The suggested dose is 800 milligrams per day; 400 milligrams should be taken twice a day for 3 to 10 days, depending upon the kind of bacteria causing the infection. People with impaired kidney function may take 400 milligrams once a day for 3 to 10 days.