Can hiatal hernia cause shortness of breath on stairs?

Not likely : Hiatal hernia usually causes acid reflux and indigestion. It may be associated with asthma like symptoms in the mornings, sore throat and inability to lie flat. However shortness of breath on mild exercise is usually a sign of heart or lung disease and should be evaluated by your doctor. It may simply be a sign of poor fitness but should still be checked out.

Hiatal hernia: Yes, if you have a large hiatal hernia and a good portion of your stomach has moved into your chest, that can affect your breathing.

Maybe: Small hiatal hernias usually cause problems related to reflux disease if they cause anything at all. Large hiatal hernias, also known as Paraesophageal hernias, can cause shortness of breath. They can also cause intermittent chest pain, early satiety, weight-loss, and anemia. Hope this helps!