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Carbenicillin (By mouth)

Carbenicillin (kar-ben-i-SIL-in)

Treats urinary infections caused by certain bacteria. This medicine is a penicillin antibiotic.

Brand Name(s):

There may be other brand names for this medicine.

When This Medicine Should Not Be Used:

You should not use this medicine if you have had an allergic reaction to carbenicillin or to similar medicines such as ampicillin, amoxicillin, Amoxil®, Augmentin®, Trimox®, or Veetids®.

How to Use This Medicine:

Tablet

  • Take your medicine as directed.
  • Take all of the medicine in your prescription to clear up your infection, even if you feel better after the first few doses.
  • This medicine is not for long-term use.

If a dose is missed:

  • Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.

How to Store and Dispose of This Medicine:

  • Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.
  • Ask your pharmacist, doctor, or health caregiver about the best way to dispose of any outdated medicine or medicine no longer needed.
  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

Drugs and Foods to Avoid:

Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

  • Make sure your doctor knows if you are using medicines such as probenecid (Benemid®).

Warnings While Using This Medicine:

  • Make sure your doctor knows if you are pregnant or breast feeding.
  • Make sure your doctor knows if you have kidney disease.
  • Tell your doctor if you have ever had an allergic reaction to a cephalosporin antibiotic such as Ceclor®, Ceftin®, Cefzil®, Keflex®, or Omnicef®.
  • Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.
  • Use this medicine only to treat the infection your doctor has prescribed it for. Do not use this medicine for any infection that has not been checked by your doctor.
  • This medicine is not for long-term use.

Possible Side Effects While Using This Medicine:

Call your doctor right away if you notice any of these side effects:

  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
  • Abnormal rise in your body temperature.
  • Fever, chills, cough, sore throat, or body aches.
  • Severe stomach pain, vomiting or bloody stools.
  • Unusual bleeding, bruising or weakness.

If you notice these less serious side effects, talk with your doctor:

  • Dry mouth, bad taste.
  • Headache, itchy eyes.
  • Loss of appetite.
  • Mild nausea, vomiting, or diarrhea.
  • Mild skin rash or itching.
  • Redness or pain in your tongue.
  • Vaginal itching or discharge.

If you notice other side effects that you think are caused by this medicine, tell your doctor

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088


Last Updated: 4/4/2014

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