Fortaz Warnings and Precautions

Before receiving Fortaz, tell your healthcare provider if you have any health conditions, such as kidney disease or any allergies. If you have kidney problems or a penicillin allergy, you may not be able to use Fortaz safely. Other warnings and precautions for this antibiotic apply to women who are pregnant, thinking about becoming pregnant, or breastfeeding.

What Should I Tell My Healthcare Provider?

You should talk with your healthcare provider prior to receiving Fortaz® (ceftazidime) if you have:
  • Kidney disease, such as kidney failure (renal failure)
  • An allergy to cephalosporin or penicillin antibiotics
  • Any other allergies, including to food, dyes, or preservatives.
Also, let your healthcare provider know if you are:
  • Pregnant or thinking of becoming pregnant
  • Breastfeeding.
Make sure to tell your healthcare provider about all of the medicines you take, including prescription and nonprescription medicines, vitamins, and herbal supplements.

Specific Precautions and Warnings With Fortaz

Some warnings and precautions to be aware of prior to taking Fortaz include the following:
  • Fortaz contains an antibiotic that belongs to the cephalosporin group of antibiotics, which are related to penicillin antibiotics. Some people (but not all) who are allergic to penicillins will also be allergic to Fortaz. Let your healthcare provider know immediately if you notice any signs of an allergic reaction, such as:
    • A rash
    • Itching
    • Hives
    • Wheezing
    • Swelling of the mouth or lips
    • Difficulty breathing.
An allergic reaction to Fortaz can be dangerous.
  • Let your healthcare provider know if you experience bloody or watery diarrhea. Although diarrhea is a common side effect of Fortaz, bloody or watery diarrhea may be a sign of a serious reaction to Fortaz that can occur when certain bacteria (Clostridium difficile) overgrow in the colon. This severe reaction can occur long after you stop taking the antibiotic and can be life-threatening.
  • Make sure your healthcare provider knows if you have kidney disease, as the kidneys excrete Fortaz from the body. If your kidneys are not functioning well, you will need a lower and/or less frequent Fortaz dosage.
  • Sometimes, antibiotics (including Fortaz) can cause yeast infections, since they can get rid of "good" bacteria that help protect against yeast infections. Let your healthcare provider know if you develop a vaginal yeast infection or thrush (a yeast infection of the mouth) during treatment.
  • Fortaz should not be used to treat viruses, such as the common cold or the flu. It is completely ineffective for treating viruses, and such use can lead to bacterial resistance.
  • Fortaz can react with other medications (see Fortaz Drug Interactions).
  • This antibiotic is considered a pregnancy Category B medication. This means that Fortaz is probably safe for use during pregnancy, although the full risks are not known. Talk to your healthcare provider about the risks and benefits of using this medication when pregnant (see Ceftazidime and Pregnancy for more information).
  • Fortaz passes through breast milk. Therefore, if you are breastfeeding or plan to start, discuss this matter with your healthcare provider (see Ceftazidime and Breastfeeding for more information).

Fortaz Medication Information

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