Do not use Detrol if:

• you are allergic to any ingredient in Detrol;
• you have urinary or gastric retention, or uncontrolled narrow-angle glaucoma.

• Do not drive or perform other possibly unsafe tasks until you know how you react to it.
• Detrol should be used with extreme caution in children; safety and effectiveness in children have not been confirmed.
• Pregnancy and breast-feeding: If you think you may be pregnant, contact your doctor. You will need to discuss the benefits and risks of using Detrol while you are pregnant. It is unknown if Detrol is found in breast milk. Do not breast-feed while taking Detrol.

Check with your doctor if any of these most common side effects persist or become bothersome:

• abnormal skin sensations; blurred vision; constipation; diarrhea; dizziness; drowsiness; dry eyes; dry mouth; feeling of a whirling motion; flu-like symptoms; headache; indigestion; joint pain; nausea; stomach pain; upper respiratory tract infection; vomiting.

• severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); chest pain; fast heartbeat; hallucinations; pounding in the chest; severe dizziness; swelling of the arms and legs; urination problems.

Detrol is to be used only by the patient for whom it is prescribed. Do not share it with other people.
If your symptoms do not improve or if they become worse, check with your doctor.