Hello dear Greetings Regarding your experience with pain radiating from the back of your neck upto the head with associated squeezing throbbing and dizziness I am suggesting that you have the following differential diagnosis Meningitis Encephalitis Cerebral tumor Migraine Cerebral abscess Post traumatic stress disorder Neurosyphilis Cervical spondylitis Metabolic disorder In view of this please check your blood pressure and do the following test Chest x-ray ECG CT scan Blood culture ESR Complete blood count Serum electrolytes Meanwhile please visit a neurologist specialist with the results and for further expect clinical assessment and adequate drug prescription Moreover please take some analgesic pending your appointment Concerning the itching in the ear I am suggesting a possibility of developing an otitis interna Hence please see an ENT specialist for expert management I hope this helps Regards