From http://www.drugs.com/vesicare.html
Vesicare side effects
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Stop using Vesicare and call your doctor at once if you have any of these serious side effects:
- hot, dry skin and extreme thirst;
- severe stomach pain, or constipation for 3 days or longer;
- pain or burning when you urinate; or
- urinating less than usual or not at all.
Less serious side effects may include:
- dry mouth;
- dry eyes, blurred vision;
- mild constipation;
- nausea, mild stomach pain or upset;
- dizziness, tired feeling; or
- fever, sore throat, body aches, or other flu symptoms.
This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect. You may report side effects to FDA at 1-800-FDA-1088.
See also: Vesicare side effects (in more detail)
http://www.drugs.com/sfx/vesicare-side-effects.html