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.
Check with your doctor at once if your symptoms do not improve or if your condition gets worse.
This medicine will not stop bronchospasm that has already started. Your doctor may prescribe another medicine for you to use in case of an acute attack.
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 or discomfort, blurred vision, visual halos, or colored images with red eyes while you are using this medicine. Your doctor may want your eyes to be checked by an eye doctor. These could be symptoms of acute narrow-angle glaucoma.
This medicine may cause serious allergic reactions. These reactions can be life-threatening and require immediate medical attention. Stop using this medicine and call your doctor right away if you have a rash, itching, hives, hoarseness, trouble breathing, trouble swallowing, or any swelling of your hands, face, mouth, or throat while you are using this medicine.
Call your doctor right away if you use other medicines for your lung condition and they do not seem to be working as well as usual. Do not change your doses or stop using your medicines before you talk to your doctor.
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.