I am 23 years old and I am getting a headache on right side only from last 5-6 years. I use to have homeopathy treatment for that it gets ok after having medicines a time duration but after some time I again gets that pain. And goes severe that my eye use to get red and water flows. That pain goes back head and even into neck and ear. Eye sight of that eye is week. Even when I used to get that pain I feel irritated when somebody touches me or calls me. Can anyone please tell me what to do.