Begone headache!

I have a headache. I had a headache last night as well. Yesterday I thought it was caused by sitting in front of a big window at work with the sun streaming in directly onto my head. I’m the only person in the world who can get too much sun without even going out in the sun! Last night I drank lots of water and green tea, had soup for tea (liquid and salt – good against dehydration and also helpful in replacing the stuff you lose by sweating). By the time I went to bed I still had a headache, but once I was in bed and the room was dark it eased off enough for me to go to sleep.

And now I have a headache again. It started at around 1pm. Luckily I was sent home from my internship early again cos there was no work for me to do. Today I haven’t been sitting in the sun. I was sitting in front of the window, but the blinds were down. OK, the little slitty things were open to let the light in, but there was no sun shining directly on me. It was nice and shady. This is not a too much sun type headache.
I thought it might be dehydration. I did drink at work, but only a cup of green tea and one glass of water. So I spent the entire tram ride home alternately drinking my water and putting it on my forehead. It seemed to help a little, but the headache was still there when I got home. So I drank a bottle and a half of water (half litre bottles this is), sprayed myself with some nice cool water and went to bed for an hour. The headache was gone when I woke up, but as soon as I got up to go to the loo it came back again. That was three hours ago. Since then I’ve drank another two bottles of water . The only affect they seem to have is making me want to pee. I don’t think it’s dehydration somehow! The only thing that seems to help is spraying water at my face and the top of my head. My hair is currently soaking. I was hoping to get rid of the pain naturally, but I may have to take a painkiller soon. I need to go into town and buy something for lunch tomorrow.

If anyone has a) any idea what might be causing my headache or b) an instant headache cure other than what I’ve already tried please leave a message in my comments box. As long as it’s nothing too weird (or poisonous) I’m willing to try it!