I suffer from migraines and occipital pain tight neck, I had anterior cervical discectomy, some mornings , no warnings,I have sweating, tingle in arms, nauseau watery stool,feeling faint I take Fiorinol for migraines and Promethegan for nausea. These episodes are very infrequent but most concerning I ve had occipital nerve block which helped but can find no one to give me another treatment I live in Florida