gastro-enteritis
Concise Oxford English Dictionary © 2008 Oxford University Press:
gastro-enteritis/ɡastrəʊentəˈrʌɪtɪs/
▶noun inflammation of the stomach and intestines, typically resulting from bacterial toxins or viral infection and causing vomiting and diarrhoea.
'gastro-enteritis' also found in these Oxford entries:

