Headache in back of head for 3 days July 8, 2019 16 32 64 128 Headache in the back of my head for 3 days Headache back of head and neck 3 days I ve had a headache in the back of my head for 3 days Why have i had a headache in the back of my head for 3 days Why do i have a headache in the back of my head for 3 days