What side effects may I notice from receiving Trospium Chloride?

Side effects that you should report to your doctor or health care professional as soon as possible:
-allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
-blurred vision or difficulty focusing vision
-breathing problems
-confusion
-difficulty passing urine
-hallucinations
-severe dizziness

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
-constipation
-drowsiness
-headache
-indigestion or stomach upset
-nausea

This list may not describe all possible side effects for Trospium Chloride. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.