Welcome to HCM
We understand your concerns
Saliva is a body fluid which enhances and helps the digestive process. Also it is helping in lubricating, mixing and rolling the food while chewing. Water brash is a condition where excessive saliva is produced due to acidity conditions. Acidity and sour risings often causes vomiting
Your partners condition might be water brash and acid reflux
. Consult a gastroenterologist
for confirmation and further treatment.