Severe Headpressure & Frequent Headache.

For the last 1 month, I have been having frequent headaches 2-3 times a week followed by vomiting, which last for 15–20 hours. I have had migraines for the past 7 years, but during the last 1 year they have bcm more sever, especialy in the last 1 month. In job spend long hours on a laptop. I consulted a neurologist last Friday  and he advised an MRI of the brain and whole spine, along with thyroid and Vit D blod test and gave dayo od 500 tab after takng it hedprsure increasing sleep dsturb & headac startThe blod test results & brain MRI report are normal, but IMPRESSION MRI screning of the whole spine reveals loss of normal cervical & lumbar lordosis noted. A fairly large T2Wt hyperintense cyst-like lesion is noted in the sacral spinal canal region measuring 5.7 × 2.7 cm causing posterior scalloping of the S2 and S3 vertebral segments suggestive of perineural cyst causing mild expansion of the sacral spinal canal region. Can this contribute to this head pressure and frequent head