Oxybutynin ER (Cont.)

Oxybutynin ER Effects

Studies have shown oxybutynin ER to be effective for overactive bladder treatment. In clinical studies, people who took oxybutynin ER significantly reduced the frequency of wetting accidents, compared to people taking a placebo (a "sugar pill" with no active ingredient). Additionally, studies have shown that once-daily oxybutynin ER works just as well as short-acting oxybutynin (which must be taken several times a day).
 

When and How to Take Oxybutynin ER

General considerations for when and how to take oxybutynin ER include the following:
 
  • Oxybutynin ER comes in tablet form. It is taken just once a day.
     
  • It does not matter if you take oxybutynin ER with food or on an empty stomach. If the drug seems to bother your stomach, try taking it with food.
     
  • Oxybutynin ER tablets are long-acting and must be swallowed whole. Do not crush, break, cut, or chew oxybutynin ER tablets.
     
  • Because the outer shells of oxybutynin ER tablets do not dissolve, you may notice them in your stool. This is normal and does not decrease the effectiveness of oxybutynin ER in any way.
     
  • Oxybutynin ER should be taken at the same time each day, in order to maintain an even level of the medication in your blood.
     
  • For the medication to work properly, it must be taken as prescribed.
     

Oxybutynin ER Dosage Information

The dose of oxybutynin ER that your healthcare provider recommends will vary depending on a number of factors, including:
 
  • How you respond to oxybutynin ER
  • Your age
  • Other medications you may be taking
  • Other medical conditions you may have.
     
As is always the case, do not adjust your oxybutynin ER dose unless your healthcare provider specifically instructs you to do so.
 
(Click Oxybutynin ER Dosing for more information.)
 
(Oxybutynin ER Continued: Page 4)

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Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD
Last reviewed by: Kristi Monson, PharmD;