It is very important that your doctor check your progress closely while you are using this medicine to see if it is working properly and to help reduce any unwanted effects.
This medicine will not stop bronchospasm that has already started. Your doctor will give you another medicine to use in case of an acute attack.
Tiotropium may cause allergic reactions, including anaphylaxis and angioedema. Stop using the medicine and check with your doctor right away if you develop a skin rash, itching, shortness of breath, or large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs after using this medicine.
This medicine may cause paradoxical bronchospasm, which means your breathing or wheezing will get worse. Paradoxical bronchospasm may be life-threatening. Stop using this medicine and check with your doctor right away if you have coughing, difficulty breathing, shortness of breath, or wheezing after using this medicine.
Check with your doctor right away if you have any changes to your eyes, such as eye pain, eye discomfort, blurred vision, visual halos, or colored images with red eyes while you are using this medicine. Your doctor may want you to have your eyes checked by an ophthalmologist (eye doctor).
This medicine may cause dizziness or blurred vision. Avoid driving, using machines, or doing anything else that could be dangerous if you are dizzy or not able to see well.
Do not take other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription (over-the-counter [OTC]) medicines for appetite control, asthma, colds, cough, hay fever, or sinus problems, and herbal or vitamin supplements.