What Causes Severe Headache And Loss Of Sensation On Left Side Of The Body?

Hi there my name is brittany and I have had a really bad headache now for quiet a few days going on two weeks now and it is there in the morning and it has been making me throw up in the morning and it is there all day and it is there when I go to bed I have also lost the feeling in the left side of my body and also lost the sight in my right eye and I get really bad ear ache I just wondered if this is anything to with a brain tumour as I am quite worried please could you help with some advice thank you very much from Brittany Taylor