Yes, a large hiatal hernia can cause a person to have a cough. And, yes, there is the danger that a large hernia could impinge upon one’s lung and interfere with respiration. A large hernia is likely to be associated with acid reflux or regurgitation that could also be the cause of the cough.
The treatment of a large hernia is surgical repair. In the meantime, if you are having acid reflux, your doctor might be able to reduce it with the use of medicine.
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