Doctor, Whenever i shake my head a wave of pain starts in my top of left side of head to my left eye ( but it is light pain in my eye ) It feel like pain in certain nerve in my head but after 10-second my pain is gone but continuously i feel heaviness on my head infact when i sneeze or cough then also pain start and also i feel pain in my neck normally and whenever i wake up after sleep then also i feel pain What i do please suggest some medicine for relief