Pulomnary issues such as asthma, bronchiectasis, bronchiolitis, bronchitis or emphysema as well as gastroesophageal reflux disease, heart
failure, infection, medication side effect, and
even smoking. Sitting in an area where there is moist, heated air may help relieve some symptoms. If it persists, further evaluation and additional diagnostic tests may be requested. Take care and do keep us posted.