My husband is being advised to go for gastroscope can procedure, he is vomiting a foam like white substance. now of-late he is having a running stomach ?

Vomiting,diarrhea: The combination of vomiting and diarrhea, if only days old, can be due to a viral gastroenteritis or food poisoning and both resolve on their Own after several days. However if symptoms have been occurring much longer a more serious gi pathology is suspected. The white vomitus is most likely mucus. A gastroenterologist will perform appropriate tests in order to make the diagnosis and treat..