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Other symptoms such as wheezing, coughing or shortness of breath can be controlled with medication. Although there is no cure for this, patients are able to go through respiratory rehabilitation to help strengthen their lungs. At rehab they’ll teach the patient breathing techniques, how to relax when they feel like their airway is being cut off, and how to stay healthy to avoid COPD. Spirometry tests can be performed to see how the patient's lungs are doing. It’s used to measure how much air you inhale, exhale and how fast it’s expelled. The test can also determine how severe the patients COPD is. Bronchodilators are also helpful when it comes to treating COPD. A more common name for this would be an inhaler. They work by relaxing the muscles around your airway to make breathing easier. Inhalers are a convenient way to allow air to go directly into your