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Norfloxacin (nor FLOKS a sin)

Adult Medication

Brand Names: U.S.

Noroxin

Brand Names: Canada

Apo-Norflox®; CO Norfloxacin; Norfloxacine®; Novo-Norfloxacin; PMS-Norfloxacin; Riva-Norfloxacin

Warning

  • This drug may raise the chance of tendons getting irritated and tearing. The chance is greater in people over the age of 60; heart, kidney, or lung transplant patients; or people taking steroid drugs. Call your doctor right away if you have pain in the back of the ankle or joint pain or swelling.
  • Do not take if you have ever had myasthenia gravis. Very bad effects may happen.

What is this drug used for?

  • It is used to treat bacterial infections.

What do I need to tell my doctor BEFORE I take this drug?

  • If you have an allergy to norfloxacin or any other part of this drug.
  • If you are allergic to any drugs like this one, any other drugs, foods, or other substances. Tell your doctor about the allergy and what signs you had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
  • If you have had tendons get irritated or torn when taking this drug or an alike drug in the past.
  • If you are taking nitrofurantoin.
  • If you take any drugs (prescription or OTC, natural products, vitamins) that must not be taken with this drug, like certain drugs that are used for abnormal heartbeat. There are many drugs that must not be taken with this drug.
This is not a list of all drugs or health problems that interact with this drug.
Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take this drug with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.

What are some things I need to know or do while I take this drug?

  • Tell dentists, surgeons, and other doctors that you use this drug.
  • Very bad and sometimes deadly allergic side effects have rarely happened. Talk with your doctor.
  • Avoid driving and doing other tasks or actions that call for you to be alert until you see how this drug affects you.
  • If you have high blood sugar (diabetes), you will need to watch your blood sugar closely.
  • If you are taking a blood thinner, have your blood work checked. Talk with your doctor.
  • If you are taking theophylline, have your blood work checked. Talk with your doctor.
  • Do not use longer than you have been told. A second infection may happen.
  • Do not take dairy products, antacids, didanosine, multivitamins, minerals (calcium, iron, zinc, magnesium), or sucralfate within 2 hours of this drug.
  • Limit your use of caffeine (for example, tea, coffee, cola) and chocolate. Use with this drug may cause nervousness, shakiness, and a fast heartbeat.
  • You may get sunburned more easily. Avoid sun, sunlamps, and tanning beds. Use sunscreen and wear clothing and eyewear that protects you from the sun.
  • If you are over the age of 60, use this drug with care. You could have more side effects.
  • Use care in children younger than 18 years of age. Talk with the doctor.
  • Tell your doctor if you are pregnant or plan on getting pregnant. You will need to talk about the benefits and risks of using this drug while you are pregnant.
  • Tell your doctor if you are breast-feeding. You will need to talk about any risks to your baby.

What are some side effects that I need to call my doctor about right away?

WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:
  • Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
  • Signs of low mood (depression), thoughts of killing yourself, nervousness, emotional ups and downs, thinking that is not normal, anxiety, or lack of interest in life.
  • Signs of liver problems like dark urine, feeling tired, not hungry, upset stomach or stomach pain, light-colored stools, throwing up, or yellow skin or eyes.
  • Chest pain.
  • A heartbeat that does not feel normal.
  • Very bad dizziness or passing out.
  • Feeling very tired or weak.
  • Change in eyesight.
  • Change in thinking clearly and with logic.
  • Hallucinations.
  • Seizures.
  • Shortness of breath.
  • Any bruising or bleeding.
  • Shakiness.
  • Trouble walking.
  • Not able to pass urine or change in how much urine is passed.
  • Vaginal itching or discharge.
  • White patches in mouth.
  • Nerve problems in the arms, hands, legs, or feet can happen in people taking this drug. These nerve problems can happen soon after this drug is started and may not go away. Call your doctor right away if you have signs of nerve problems like not able to handle heat or cold, a lower sense of touch, or burning, numbness, tingling, pain, or weakness in the arms, hands, legs, or feet.
  • It is common to have loose stools (diarrhea) when taking this drug. Rarely, a very bad and sometimes deadly form of loose stools may occur (pseudomembranous colitis). This may happen while you are taking this drug or within a few months after you stop taking it. Call your doctor right away if you have stomach pain or cramps, very loose or watery stools, or bloody stools. Do not try to treat loose stools without first checking with your doctor.

What are some other side effects of this drug?

All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:
  • Headache.
  • Dizziness.
  • Upset stomach or throwing up.
  • Belly cramps.
  • Loose stools (diarrhea).
These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.
You may report side effects to your national health agency.

How is this drug best taken?

Use this drug as ordered by your doctor. Read and follow the dosing on the label closely.
  • To gain the most benefit, do not miss doses.
  • Use as you have been told, even if you feel well.
  • Take this drug at the same time of day.
  • Take on an empty stomach. Take 1 hour before or 2 hours after meals or having milk or other dairy products.
  • Take with a full glass of water.
  • Drink lots of noncaffeine liquids unless told to drink less liquid by your doctor.

What do I do if I miss a dose?

  • Use a missed dose as soon as you think about it.
  • If it is close to the time for your next dose, skip the missed dose and go back to your normal time.
  • Do not use 2 doses or extra doses.

How do I store and/or throw out this drug?

  • Store at room temperature.
  • Store in a dry place. Do not store in a bathroom.
  • Keep all drugs out of the reach of children and pets.
  • Check with your pharmacist about how to throw out unused drugs.

General drug facts

  • If your symptoms or health problems do not get better or if they become worse, call your doctor.
  • Do not share your drugs with others and do not take anyone else’s drugs.
  • Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.
  • Talk with the doctor before starting any new drug, including prescription or OTC, natural products, or vitamins.
  • Some drugs may have another patient information leaflet. If you have any questions about this drug, please talk with your doctor, pharmacist, or other health care provider.
  • If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.

Consumer Information Use and Disclaimer

This information should not be used to decide whether or not to take this medicine or any other medicine. Only the healthcare provider has the knowledge and training to decide which medicines are right for a specific patient. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about this medicine. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to this medicine. This information is not specific medical advice and does not replace information you receive from the healthcare provider. You must talk with the healthcare provider for complete information about the risks and benefits of using this medicine.

Copyright

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