If you will be using this medicine for a long time, it is very important that your doctor check you at regular visits. This will allow your doctor to see if the medicine is working properly and to check for any unwanted effects.
Tell your doctor if you are also using other medicines for your COPD. Your doctor may want you to stop using the other medicine and use it only during a severe COPD attack. Follow your doctor's instructions on how you should take your medicine.
This medicine should not be used if you are having a severe COPD attack, or if symptoms of COPD attack has already started. Your doctor may prescribe another medicine for you to use in case of an acute COPD attack. If the other medicine does not work as well, tell your doctor right away.
Talk to your doctor or get medical care right away:
- Your symptoms do not improve after using this medicine within a few days or if they become worse.
- Your short-acting inhaler does not seem to be working as well as usual and you need to use it more often.
This medicine should not be used together with similar inhaled medicines such as arformoterol (Brovana™), budesonide/formoterol (Symbicort®), formoterol (Foradil®, Perforomist™), salmeterol (Serevent®), or salmeterol/fluticasone (Advair®).
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 are having a cough, difficulty with breathing, shortness of breath, or wheezing after using this medicine.
Hypokalemia (low potassium in the blood) may occur while you are using this medicine. Check with your doctor right away if you have more than one of the following symptoms: decreased urine; dry mouth; increased thirst; loss of appetite; mood changes; muscle pain or cramps; nausea or vomiting; numbness or tingling in the hands, feet, or lips; seizures; shortness of breath; uneven heartbeat; or unusual tiredness or weakness.
This medicine may affect blood sugar levels. If you are diabetic and notice a change in the results of your blood or urine sugar tests, check with 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 and herbal or vitamin supplements.