The nurse is to administer doxycycline (Doxy) intravenously to a patient who is also receiving intravenous (IV) penicillin. Which action is most important for the nurse to implement?
a. Use IV tubing for doxycycline that has never come into contact with penicillin.
b. Use a glass container for the tetracycline and a plastic container for the penicillin.
c. Infuse the doxycycline only into a central line and the penicillin into a peripheral line.
d. Administer doxycycline with sterile saline and administer the penicillin with ste-rile water.
A
Doxycycline is a tetracycline drug. Tetracyclines interfere with the action of penicillin. It is im-portant not to give these two drug types at the same time. They should not be mixed together in the same IV bag or run through the same IV tubing.
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