Iam suffering from severe headache for last 1 month. i took ct scan and diagnosed as occipital neuralgia. i took optaligin 500 mg but no use. can you please suggest any treatment for my headache..?

If you truly possess "occipital neuralgia", and occipital nerve block bilaterally may help. But would obtain a second opinion from a neurologist regarding diagnosis and treatment. There are many migraine medications, and newer CGRP items are spectacular in some, but may not work well with neuralgia; Lyrica, gabapentin, Cymbalta may be choices.