Hiatal hernia flares up due to a variety of factors. Common triggers include cough, straining, hiccough, spicy and acidic foods. Also some faulty habits can play a role such as eating before sleeping and eating large meals.
Hiatal hernia weird symptoms include shortness of breath, asthma, cough, regurgitation of undigested food, difficult swallowing. Early satiety, abdominal pain after meals. Anemia (palpitation, dizziness), and others.