The information provided here is not a replacement for a doctor. You shouldn't use it for the purpose of self-diagnosing or self-medicating but rather so you can have a more informed discussion with a professional TCM practitioner.
In Chinese Medicine gastroenteritis can be treated by one herbs that we have on record. Here is the list below.
Jiaogulan might help with gastroenteritis
Why might Jiaogulan (Jiao Gu Lan) help with gastroenteritis?
Because it is a herb specifically indicated to treat gastroenteritis as can be seen on Jiaogulan's page.
Jiaogulan is a Cold herb that tastes Bitter. It targets the Heart and the Lung.
Its main actions are: Clears Heat and detoxifies. Relieves cough, moistens the Lungs and eliminates Phlegm. Nourishes the Heart and soothes the nerves. Tonifies Qi and promotes Essence.
Other symptoms often associated with gastroenteritis
Peptic ulcers Asthma Pneumonia Intercostal neuralgia Hypertension Cirrhosis Bronchitis Pharyngitis Diabetes Fever