A patient who is taking phenytoin suspension (Dilantin-125) has been given instructions on its use. Which statement accurately describes the correct way to administer the drug?
a. Mix the liquid in food.
b. Add the liquid to another beverage.
c. Shake the container before use.
d. Never shake the container before use.
ANS: C
Dilantin suspension must be well shaken before use. If this is not done, a subtherapeutic dose will be obtained from the top of the container, and a dose above the therapeutic range will be ob-tained from the bottom of the container.
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