Shockwave in my head?
Hard to say. Hard to know what the question is but if new severe headache this is reason to seek medical attention.
Related Questions
I feel a shockwave shooting sensation from my head to my toes, what could this be?
Possibly Spine. The shocklike sensation you describe is sometimes referred to as lhermitte's sign. There are a few different neurological problems that can cause this sensation ranging from mechanical injury to the spine to problems with the spinal cord itself. This warrants a neurological evaluation.
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Perhaps spinal cord. You may be describing l'hermitte's sign (named for a neurologist). It is a shock running from the neck into the rest of the body. It can be seen in multiple sclerosis and various spinal cord problems. I suggest you see your doctor.
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