<s>[INST] Hi I notice when I cut back on sugar intake or wait too long to eat I experience a headache I also got hit hard from behind ,back of left ear on head, neck area where I recently been feeling pain and also repeatedly right turning of head an neck causing pain up middle back of neck an head whats the cause [/INST] Hello, The symptoms are consistent witChatDoctormon causes like migraine or tension headache, as first-line management, you can try analgesics like diclofenac or tramadol for pain relief.  If symptoms persist, better to consult a neurologist and plan for an MRI brain to rule out possible intracranial (inside the brain) causes.  Hope I have answered your query. Let me know if I can assist you further.  </s>