Dear sir, My girlfriend having some problem. she has headache regularly in every week means two or three days in every week she feels headache at the right side of head around her right ear. when she has more headache she feels vomiting and nausea . her vision is low, she has -ve power in her both eye but more in right eye. She is 26 yrs old. now a days she told me that when she got a yawn some liquid comes into her mouth from right side of throat . I am very worried. please tell me what is the problem is this a symptom of brain tumor?