Before starting a new medication, make sure you know about the drug's precautions and warnings. With trospium, you should know that it may slow down the digestive system, cause blurred vision or drowsiness, and worsen glaucoma. Precautions and warnings with trospium also extend to people who have difficulty urinating, uncontrolled narrow-angle glaucoma, or a condition that delays the emptying of food from the stomach.
Any allergies, including allergies to food, dyes, or preservatives.
Also, let your healthcare provider know if you are:
Pregnant or thinking of becoming pregnant
Breastfeeding.
Make sure to tell your healthcare provider about all other medicines you are taking, including prescription and non-prescription medicines, vitamins, and herbal supplements.