A patient comes to the clinic for an infection and is prescribed tetracycline by the nurse practitioner. Which of the following instructions would be the nurse's priority when providing the patient with education about the medication?
a. Take the medicine with food if you experience an upset stomach.
b. Do not take this medication with milk products.
c. Do not take this medication with high-fiber foods.
d. Take this medication at the same time everyday.
ANS: B
Taking tetracycline with milk products reduces the drug's absorption, because tetracyclines bind with calcium to form an insoluble and nonabsorbable complex.
Taking tetracycline with food does not reduce absorption, it only reduces the rate of absorption.
High-fiber foods affect the absorption of digoxin, not tetracycline.
Taking the tetracycline at the same time everyday is important but does not inhibit absorption, therefore it is not a priority.
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