A patient will begin taking fexofenadine (Allegra) for hay fever. The nurse teaching this patient will tell the patient that:
a. fexofenadine should be taken with food to prevent gastrointestinal (GI) symptoms.
b. the medication may be taken once or twice daily.
c. tolerance to sedation will occur in a few weeks.
d. with renal impairment, this drug should be taken every other day.
ANS: B
Fexofenadine may be given 60 mg twice daily or 180 mg once daily. Fexofenadine does not need to be given with food. Sedation is not a common side effect of fexofenadine. There is no caution to reduce the dosage or increase the dosing interval in patients with renal impairment who take fexofenadine.
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