What instruction should the nurse provide about the administration of a buffered, powdered formulation of didanosine (Videx)?
a. Mix the powder with orange juice.
b. Stir the powder into 4 ounces of water and drink it immediately.
c. Prepare the solution at least 30 minutes before administration.
d. Mix the solution in the morning, refrigerate it, and take it in the evening.
ANS: B
The nurse should instruct the patient to take the medication by stirring the powder into 4 ounces of water and drink all of it immediately.
Didanosine should not be mixed with any acidic juice.
Didanosine should not be mixed and taken later; the patient should drink it immediately after mixing.
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