Side effects may vary among these medications, and most of them lessen as the person continues to take the medication. Side effects include:
- Stomach upset and other problems, such as constipation.
- Dry mouth, blurred vision, and drowsiness.
- Lowered blood pressure.
- Weight gain.
- Tremors and sweating.
- Inability to urinate (urinary retention).
- Loss of sexual desire or ability.
- Confusion or delirium in older adults.