The most common symptoms are abdominal upset or pain.Other symptoms are belching, abdominal bloating, nausea, and vomiting or a feeling of fullness or of burning in the upper abdomen.

• 最常见的症状是上腹不适或疼痛，其他症状包括嗳气、腹胀、恶心和呕吐或上腹饱胀或烧灼感。