Patient: My son is 25 years old.the last 30 days he is experiencing vomiting.he says there is no pain,heartburn, seems liquids are part of the problem.even water can make him vomit.when he does vomit it is clear liquid.the only time it is not liquid is if he vomits immediately after eating.this does not occur every day.sometimes he thinks it has gone away after several days of no vomiting but then it returns.he also has no idea it is just hits him out of nowhere.Exceeding 8000 characters