Tolterodine ER is an overactive bladder medication that is available by prescription. This article from the eMedTV Web site explains how tolterodine ER works and further explores the drug's effects, potential side effects, and dosing information.
Possible side effects of tolterodine ER include constipation, dry mouth or eyes, and headaches. This eMedTV Web page describes other side effects that may occur with tolterodine ER, including serious side effects that require medical attention.
Tolterodine ER is used for treating an overactive bladder in adults. As this eMedTV Web page explains, the uses for the medication are primarily focused on the prevention of frequent urination, sudden urges to urinate, and leaking accidents.
The recommended tolterodine ER dose for most people with an overactive bladder is 4 mg once daily. This eMedTV resource explains why certain people may require a lower dosage and offers tolterodine ER dosing precautions and tips.
Vinblastine, cyclosporine, and protease inhibitors can cause drug interactions with tolterodine ER. This eMedTV segment lists other medicines that may interact with tolterodine ER and explains what can happen when these drugs are taken together.
High doses of tolterodine ER may increase the risk of QT prolongation (a serious irregular heart rhythm). This eMedTV article provides other precautions and warnings with tolterodine ER, including a list of people who should not take the drug.
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