Sir I am facing light headache in different parts of my head ,sometimes I feel it in my temple part ,sometimes left ,sometimes right side ,sometimes back side and aome times forehead. It generates only when I am wakeup or in any actions . When I use spects it gives releif . No fever no nausea no blur vision or no any other problems. but i m favcing it when i started to work in night shift . i am very much worried about any tumor or migraine . kindly help me out . regards n thanks mrinal