Based on details of headache and diffuse spine pain , one need to consider beginning of viral fever
can produce such symptoms.
Other condition from neurological perspective include cervical spondylosis
with occipitonuchal headaches, or headache leading to spine pain ( this includes meningism, structural lesion of brain, cervical spine
If symptoms are worrisome you should consult Neurologist
and require further evaluation (like imaging of brain and spine).
Meantime have ibuprofen after food for severe pain .
Dr Sandhya Manorenj