Oxybutynin Side Effects Quiz
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Questions and Answers

Which drug promotes relaxation during bladder filling without engaging muscarinic receptors?

  • Mirabegron (correct)
  • Solifenacin
  • Tolterodine
  • Fesoterodine
  • Which drug inhibits calcium-dependent release of acetylcholine, adenosine triphosphate, and substance P in the detrusor muscle?

  • Vibegron (correct)
  • Trospium
  • Fesoterodine
  • Mirabegron
  • Which drug can increase blood pressure and should be avoided in patients with renal disease or hypertension?

  • Mirabegron (correct)
  • Solifenacin
  • Vibegron
  • Fesoterodine
  • Which drug is a substrate of CYP2D6 and CYP3A4 and is a moderate inhibitor of CYP2D6?

    <p>Mirabegron</p> Signup and view all the answers

    Which drug has the main side effects of dry mouth and constipation and is a CYP2D6 and CYP3A4 Substrate?

    <p>Fesoterodine</p> Signup and view all the answers

    Which drug achieves detrusor relaxation by activating beta-3-adrenoreceptors, resulting in activation of adenylyl cyclase and formation of cyclic adenosine monophosphate?

    <p>Mirabegron</p> Signup and view all the answers

    Which drug requires dosage reduction for renal impairment?

    <p>Fesoterodine</p> Signup and view all the answers

    Which drug inhibits calcium-dependent release of acetylcholine, adenosine triphosphate, and substance P in the detrusor muscle?

    <p>Vibegron</p> Signup and view all the answers

    Which drug may increase to 50 mg once daily after 4-8 weeks?

    <p>Vibegron</p> Signup and view all the answers

    Which drugs have been evaluated as non-traditional therapies for OAB?

    <p>Venlafaxine and duloxetine</p> Signup and view all the answers

    Which drug is the third-line option for OAB?

    <p>Vibegron</p> Signup and view all the answers

    What is the main reason for the high incidence of dry mouth as a side effect of oxybutynin?

    <p>Muscarinic blockade by oxybutynin itself</p> Signup and view all the answers

    Which drug has the greatest degree of M3 selectivity and is well-tolerated for overactive bladder?

    <p>Darifenacin</p> Signup and view all the answers

    What is the primary mechanism of action of oxybutynin?

    <p>Blockade of M3 muscarinic receptors</p> Signup and view all the answers

    Which medication can intensify the anticholinergic side effects when used in combination with oxybutynin?

    <p>Tricyclics</p> Signup and view all the answers

    What is the main side effect of darifenacin?

    <p>Dry mouth</p> Signup and view all the answers

    Which formulation of oxybutynin is considered long-acting?

    <p>Transdermal patch</p> Signup and view all the answers

    What effect does darifenacin have on the M1 receptors in the brain and M2 receptors in the heart?

    <p>No effect</p> Signup and view all the answers

    Which factor can alter oxybutynin blood levels?

    <p>$CYP3A4$ inhibition or induction</p> Signup and view all the answers

    What population is more likely to experience hallucinations and agitation as side effects of oxybutynin?

    <p>Pediatric and geriatric populations</p> Signup and view all the answers

    Which medication has been reported to have both mydriasis and blurred vision as side effects?

    <p>Oxybutynin</p> Signup and view all the answers

    What is a common side effect associated with the use of oxybutynin besides dry mouth?

    <p>Urinary hesitancy</p> Signup and view all the answers

    What is the primary reason for the high incidence of dry mouth as a side effect of oxybutynin?

    <p>Muscarinic blockade by oxybutynin itself</p> Signup and view all the answers

    Which formulation of oxybutynin is considered long-acting?

    <p>Transdermal patch</p> Signup and view all the answers

    Which drug has the greatest degree of M3 selectivity with minimal side effects on M1 and M2 receptors?

    <p>Darifenacin</p> Signup and view all the answers

    What side effect is prominent in the pediatric and geriatric populations when using oxybutynin?

    <p>Hallucinations and agitation</p> Signup and view all the answers

    Which medication can alter oxybutynin blood levels?

    <p>CYP3A4 inhibitors</p> Signup and view all the answers

    Which drug can intensify the anticholinergic side effects when used in combination with oxybutynin?

    <p>Tricyclics</p> Signup and view all the answers

    Which drug promotes relaxation during bladder filling without engaging muscarinic receptors?

    <p>Darifenacin</p> Signup and view all the answers

    Which drug achieves detrusor relaxation by activating beta-3-adrenoreceptors, resulting in activation of adenylyl cyclase and formation of cyclic adenosine monophosphate?

    <p>Darifenacin</p> Signup and view all the answers

    What is the main side effect of darifenacin?

    <p>Dry mouth</p> Signup and view all the answers

    What drug should be avoided in patients with renal disease or hypertension due to its potential to increase blood pressure?

    <p>N-desethyloxybutynin</p> Signup and view all the answers

    What is the primary mechanism of action of mirabegron?

    <p>Promotion of detrusor relaxation by activating beta-3-adrenoreceptors</p> Signup and view all the answers

    Which drug can cause prolongation of the QT interval and should be avoided in patients with renal disease or hypertension?

    <p>Vibegron</p> Signup and view all the answers

    What is the main side effect of trospium?

    <p>Dry mouth and constipation</p> Signup and view all the answers

    Which drug achieves detrusor relaxation by inhibiting calcium-dependent release of neurotransmitters in the detrusor muscle?

    <p>Vibegron</p> Signup and view all the answers

    What is the primary reason for avoiding mirabegron in patients with renal disease or hypertension?

    <p>Potential QT prolongation and increase in blood pressure</p> Signup and view all the answers

    What is the main side effect of fesoterodine?

    <p>Dry mouth and constipation</p> Signup and view all the answers

    Which drug is a substrate of CYP2D6 and CYP3A4 and is a moderate inhibitor of CYP2D6?

    <p>Mirabegron</p> Signup and view all the answers

    What is the primary mechanism of action of oxybutynin?

    <p>Inhibition of calcium-dependent release of neurotransmitters in the detrusor muscle</p> Signup and view all the answers

    What is the main side effect of tolterodine?

    <p>Prolongation of the QT interval</p> Signup and view all the answers

    What effect does solifenacin have on the QT interval at high doses?

    <p>It can cause QT prolongation</p> Signup and view all the answers

    Which medication achieves detrusor relaxation by causing flaccid paralysis in the detrusor and reducing bladder pressure?

    <p>Vibegron</p> Signup and view all the answers

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