- During the treatment of trospium chloride, anticholinergic reactions may occur, such as dry mouth, indigestion and constipation, and abdominal pain.
- Infrequently (<1%): tachycardia, headache, bloating, diarrhea, chest pain.
- Rarely (<0.1%): disturbances in urination (for example, the formation of residual urine), disruption of accommodation (this is especially true for patients with hyperopia and patients whose vision can not be appropriately adjusted), shortness of breath, rash, asthenia, urinary retention, painful urination, myalgia, arthralgia, angioedema edema, increased serum aminotransaminase activity, anaphylaxis, dizziness.
- Very rarely (<0.01%): angioedema.