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Author Question: A patient will begin using a transdermal preparation of a muscarinic antagonist for overactive ... (Read 54 times)

james9437

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on: Jul 23, 2018
A patient will begin using a transdermal preparation of a muscarinic antagonist for overactive bladder (OAB).
 
  The nurse teaches the patient what to do if side effects occur. Which statement by the patient indicates the need for further teaching?
  a. I can use sugar-free gum for dry mouth.
  b. I may need laxatives for constipation.
  c. I should keep the site covered to prevent other people from getting the medicine.
  d. I will take Benadryl for any itching caused by a local reaction to the patch.

Question 2

An older adult patient who lives alone and is somewhat forgetful has an overactive bladder and reports occasional constipation. Which treatment will the nurse anticipate for this patient?
 
  a. Behavioral therapy
  b. Oxybutynin (Ditropan XL) extended-release tablets
  c. Oxybutynin (Oxytrol) transdermal patch
  d. Percutaneous tibial nerve stimulation (PTNS)


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brittiany.barnes

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Reply #1 on: Jul 23, 2018
Answer to Question 1

ANS: D
Benadryl is an antihistamine, and even though it is not classified as a muscarinic antagonist, it has anticholinergic effects. Giving it with a muscarinic antagonist greatly enhances these effects, so it should not be used. Muscarinic antagonists cause dry mouth, and patients should be taught to use sugar-free gum or candies to help with this. Muscarinic antagonists can cause constipation, and laxatives may be used. Medication applied topically can be transferred to others who come in contact with the skin, so the site should be covered.

Answer to Question 2

ANS: C
The transdermal patch is applied weekly and may be the best option for a patient who is more likely to forget to take a daily medication. The transdermal preparation has fewer side effects than the systemic dose so is less likely to increase this patient's constipation. Behavioral therapy should be tried first in patients who can participate. However, it is not the best option for a forgetful patient who lives alone, because it requires scheduled voiding and timing of fluid intake. The extended-release tablets must be given daily, and this patient may not remember to take them. PTNS is used after behavioral and drug therapies have failed.


james9437

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Reply 2 on: Jul 23, 2018
Gracias!

cam1229

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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