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Home Q & A Board Biology-Related Homework Help Medicine Pharmacology (Moderator: DelightfulMind)
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raj13595 raj13595
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6 years ago
A prescriber orders verapamil (Covera HS) for a patient who is taking digoxin (Lanoxin) and warfarin. The nurse will expect the prescriber to _____ the dose of _____.
 
  a. lower; digoxin
  b. increase; digoxin
  c. lower; warfarin
  d. increase; warfarin
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#1
6 years ago
ANS: A
Calcium channel blockers, such as verapamil, can increase levels of digoxin, so patients taking these drugs may need to have their digoxin dose reduced. Increasing the dose of digoxin can result in digoxin toxicity. Verapamil does not affect warfarin levels.
raj13595 Author
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#2
6 years ago
I know you spent a lot of time finding this because I swear it wasn't in my textbook
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