Quinupristin and Dalfopristin (Systemic)
Brand Names : Synercid
Before Using This MedicineIn deciding
to use a medicine, the risks of taking the medicine must be weighed against
the good it will do. This is a decision you and your doctor will make. For
quinupristin and dalfopristin, the following should be considered:
Allergies - Tell your doctor if you have ever had any unusual or allergic
reaction to quinupristin or dalfopristin. Also tell your health care professional
if you are allergic to any other substances, such as foods, preservatives,
or dyes.
Pregnancy - Quinupristin and dalfopristin have not been studied in pregnant
women. However, they have not been shown to cause birth defects or other problems
in animal studies.
Breast-feeding - It is not known whether quinupristin and dalfopristin pass
into breast milk. Although most medicines pass into breast milk in small amounts,
many of them may be used safely while breast-feeding. Mothers who are taking
this medicine and who wish to breast-feed should discuss this with their doctor.
Children - Studies on this medicine have been done only in adult patients,
and there is no specific information comparing use of quinupristin and dalfopristin
in children under 16 years old with use in other age groups.
Older adults - In studies of patients 65 years or older, quinupristin and dalfopristin
have not been shown to cause different side effects or problems than they
do in younger adults.
Other medicines - Although certain medicines should not be used together
at all, in other cases two different medicines may be used together even if
an interaction might occur. In these cases, your doctor may want to change
the dose, or other precautions may be necessary. When you are receiving quinupristin
and dalfopristin it is especially important that you tell your doctor if you
are taking any of the following:
-
Cyclosporine (e.g., Sandimmune) or
-
Midazolam (e.g., Versed) or
-
Nifedipine (e.g., Adalat) or
-
Terfenadine (e.g., Seldane) - Use of these medicine with quinupristin
and dalfopristin may increase their effects because of slower removal of the
medicine from the body.
Other medical problems - The presence of other medical problems
may affect the use of quinupristin and dalfopristin. Make sure you tell your
doctor if you have any other medical problems, especially:
-
Liver disease - Liver disease may increase blood levels of this
medicine, increasing the chance of side effects
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