如果那个胃下垂的孩子同时还有胃轻瘫（gastroparesis），可能Domperidone会有效

根据是这个案例

Gastroparesis associated with gastroptosis presenting as a lower abdominal bulking mass in a child: a case report.

胃下垂的治疗还是手术（少数案例），加上中药和针灸。

案例少，如果不做钡餐，很容易误诊。

In the beginning of 19th century the preferred treatment was surgical [13-15]. In 1894, Duret first reported surgical treatment of gastroptosis in a patient in Lille. Nowadays surgical treatment is still an alternative approach in the treatment of gastroptosis although most authors suggest that should be limited to selected cases [7,16].
 
Other therapeutic modalities that have been proposed for the treatment of this entity with acceptable results and safety include acupuncture and herbal treatment [17].

Gastroparesis and gastroptosis can be easily misdiagnosed due to their rarity. In our case the patient was treated for gastritis for two years, without having examined by barium studies.