3Nausea or vomiting
The severe form of stomach ulcers causes the feeling to vomit away the food a person eats. The growing pain in the stomach area and the ongoing acidic secretions worsen the situation. The people having complications secondary to stomach ulcers may develop holes in the stomach wall. The discomfort of the stomach causes the urge to vomit all the stomach contents through the mouth. The person suffering from stomach ulcers might often feel dizzy.