When fumes from the acid are inhaled, excessive mucus is created in the lungs people with this complication will be coughing up phlegm the sinuses are also affected by acid reflux and mucus production you can control acid reflux and excessive mucus production by taking medications to control the amount of acid and by making lifestyle changes. Can acid reflux cause coughing up phlegm. Acid reflux occurs when acidic stomach contents leak up into the esophagus, and it is most commonly associated with symptoms like heartburn if stomach acid irritates the throat or goes into the lungs, it can cause problems like excessive mucus production and wheezing.
can acid reflux cause coughing up phlegm
