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Noroxin (Norfloxacin)

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What is a Generic Drug?

A generic drug is a copy of the brand-name drug with the same dosage, safety, strength, quality, consumption method, performance, and intended use. Before generics become available on the market, the generic company must prove it has the same active ingredients as the brand-name drug and works in the same way and in the same amount of time in the body.

The only differences between generics and their brand-name counterparts is that generics are less expensive and may look slightly different (eg. different shape or color), as trademarks laws prevent a generic from looking exactly like the brand-name drug.

Generics are less expensive because generic manufacturers don't have to invest large sums of money to develop a drug. When the brand-name patent expires, generic companies can manufacture a copy of the brand-name and sell it at a substantial discount.


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Noroxin is a bacterial infection treatment medication available by prescription. It is a fluoroquinolone antibiotic that works by blocking an enzyme required for producing and repairing bacterial DNA. It is commonly prescribed for treatment of both gram-positive and gram-negative bacterial infections including staphylococcus and Enterobacter infections. Noroxin is also prescribed for bacterial urinary infection treatment, and it is an antibiotic for gonorrhea too. Buy Noroxin from Canada and Canpharm and get the best price on it.

Fact Table
Formula C16H18FN3O3
License US DailyMed
Bioavailability 30 to 40%
Legal status Prescription Drugs
Chemical Name Norfloxacin
Elimination half-life 3 to 4 hours
Dosage (Strength) 400mg
Pregnancy Consult Doctor
Brands Noroxin
Protein binding 10 to 15%
PubChem CID 4539
MedlinePlus a687006
ChEBI 100246
ATC code J01MA06
DrugBank DB01059
KEGG D00210
Routes of administration By mouth

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Noroxin dosage will depend on the type of bacterial infection and strength required based on the extent of infection.

Standard dosage for urinary tract infection is 400mg tablet taken 1x every 12 hours for 3 days


The active ingredient in Noroxin is Norfloxacin


Let your doctor know of any history of kidney disease, diabetes, myasthenia gravis, neuropathy, seizure disorder, blood vessel problems, hypertension, or genetic conditions like Marfan syndrome or Ehlers-Danlos syndrome before starting on Noroxin antibiotic

Avoid antacids and multivitamins that contain aluminum or magnesium or any product containing Sucralate because they can reduce absorption of this antibiotic

Medication may increase the risk of QT prolongation, a condition affecting heart rhythm that may be serious for some people with a history of heart problems or low blood potassium or magnesium when a person is using diuretic medication

Noroxin can increase sun sensitivity (photosensitivity) and make live bacterial vaccines work less effectively

Children may be at risk for joint / tendon problems when using Noroxin medication

Excessive alcohol consumption will reduce the effectiveness of antibiotic medications


Negative drug interactions may occur between Noroxin and other Rx medications, including cisapride, cyclosporine, coumadin, erythromycin, nitrofurantoin, probenecid, ropinirole, tacrine, theophylline, tizanidine, amiodarone, disopyramide, dofetilide, dronedarone, procainamide, quinidine, sotalol, amitriptyline, clomipramine, clozapine, desipramine, duloxetine, iloperidone, imipramine, nortriptyline, thioridazine, ziprasidone.

Let your doctor know of all medications you are currently taking before getting a prescription and proceeding to buy Noroxin online.

Side Effects

Noroxin side effects may occur, and some users may experience nausea, stomach cramps, dizziness, headache, abdominal pain, and diarrhea. If side effects are experienced, you may want to stop use and meet with a doctor again to discuss antibiotic medication alternatives.

Frequently Asked Questions

How long will it take for this antibiotic to clear my infection?

The duration of time you'll need to stay on Noroxin medication will be dependent on the type of infection you have and what number of Noroxin 400mg tablets the doctor has indicated for daily intake in your prescription. Most bacterial infections are cleared within 7 to 10 days, but urinary tract infections and prostatitis can require 3 weeks or more.

What should I do if I experience inflammation at the infection site?

You can use an OTC topical anti-inflammatory like Voltaren to reduce inflammation, and this will usually be less of an issue as the infection starts to clear. Always finish the entirety of your medication even if your infection appears to be gone.

Is there a connection between this antibiotic and tendinitis and other tendon or muscle problems?

Yes, people who are more at risk of having weakened tendons or muscles or who are generally in poorer physical health may have their doctor recommend a different antibiotic medication. Fluoroquinolone antibiotics have been associated with tendinitis and even tendon ruptures, and they block neuromuscular activity which can worsen muscle weakness in people with myasthenia gravis.

Can coffee make me more overstimulated when I'm using an antibiotic?

Yes, antibiotic drugs like Norfloxacin can slow the breakdown of caffeine and result in more of it being present and active in the body. It is a good idea to reduce your caffeine intake through coffee, tea, and soft drinks while you treat your bacterial infection with Noroxin.

IMPORTANT NOTE: The above information is intended to increase awareness of health information and does not suggest treatment or diagnosis. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. See your health care professional for medical advice and treatment.