71. Motion Sickness Flashcards
A pharmacist will counsel a patient on the correct use of Transderm Scop. Which of the following are correct counseling statements? (Select ALL that apply.)
A. Side effects could include dry mouth, dizziness and stinging eyes (if you touch them).
B. If you get medication in your eyes it will cause the pupils to shrink.
C. Do not use alcohol while taking this medication.
D. The patch does not need to be removed prior to an MRI, however many technicians will instruct patients to remove all patches.
E. This medication can make you tired; do not drive a car or use any machinery which requires you to be awake and alert.
A, C, E. If you get medication in your eyes it will cause the pupils to dilate (not shrink); they will dilate quite a bit. This patch must be removed prior to an MRI, or it will burn the skin.
How long is the application period of a scopolamine patch?
A. One day
B. Two days
C. Three days
D. Four days
E. Seven days
C. The scopolamine patch (Transderm Scop) is a three-day patch. It is applied at least four hours before the activity that will cause motion sickness.
Select the correct pharmacologic category for the Transderm Scop anti-nausea patch used for motion sickness:
A. Cholinergic
B. Anticholinergic
C. Adrenergic
D. Serotonin-blocker
E. Muscarinic
B. This is an anticholinergic.
Which natural product may be mildly useful for motion sickness?
A. Aloe vera
B. DHEA
C. Fish oils
D. Ginger
E. Willow bark
D.
Where is the correct application site for the scopolamine patch (Transderm Scop)?
A. Upper torso
B. Behind an ear
C. Abdomen
D. Hip line
E. Upper back
B.
A pharmacist will counsel a patient on the correct use of Transderm Scop. Which of the following are correct counseling statements? (Select ALL that apply.)
A. Peel off the clear backing from the patch and apply it to a clean, dry, hairless area of the skin behind the ear.
B. Press firmly for at least 30 seconds to make sure the patch sticks well, especially around the edges.
C. If the patch irritates the skin, it is acceptable to cut into two pieces and put one piece behind each ear.
D. If two consecutive patches are needed, peel off carefully and place a new patch over the same spot.
E. Carefully wash your hands after application and do not touch your eyes if there is any medication on your fingers.
A, B, E. The patch cannot be cut. Alternate ears.
What are common side effects of the scopolamine patch that is used for motion sickness?
A. Drowsiness, dry mouth
B. Activation, insomnia
C. Tremor
D. Headache
E. Gastrointestinal upset
A. Infrequently, some people get disoriented, and others can develop confusion, hallucinations or heart palpitations. If any of these occur, the patient should remove the patch and contact the doctor.
In addition to the scopolamine patch, several OTC agents can be used for motion sickness, including the following agents: (Select ALL that apply.)
A. Diphenhydramine
B. Meclizine
C. Promethazine
D. Dimenhydrinate
E. Cyclizine
A, B, D, E. Cyclizine (Marezine), dimenhydrinate (Dramamine) and meclizine (Bonine) are anticholinergics with side effects similar to scopolamine. They are taken prior to travel. The patient should understand that they will get tired and should not consume alcohol or other CNS depressants. Promethazine is Rx only.