A patient who experiences motion sickness is about to go on a cruise. The prescriber orders transdermal scopolamine (Transderm Scop). The patient asks the nurse why an oral agent is not ordered
The nurse will explain that the transdermal preparation:
a. can be applied as needed at the first sign of nausea.
b. has less intense anticholinergic effects than the oral form.
c. is less sedating than the oral preparation.
d. provides direct effects, because it is placed close to the vestibular apparatus of the ear.
ANS: B
The transdermal system of scopolamine is preferred, because it may have less intense anticholinergic effects than oral or subcutaneous dosing. Antinausea medications for motion sickness are more effective if given prophylactically than after symptoms begin. Sedation side effects are similar with all forms. Placement near the ear does not cause the medication to absorb directly into the vestibular apparatus.
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