 [ Symptoms ] is lidocaine patch approved by fda for sugical nerve trauma surgical trauma of nerve tissue treated by lidocaine patch approved by fda i have been using them for at least 3 years and they work for me however now medicare part d is saying they are not fda approved for this condition i have other articles saying differently please explain [ Disease ] i have migraines with auras sometimes but i am always sensitive to lights and sound i have found that flouresent lighting to also be a trigger i always seem to get a migraine if i am at a docs office to long strong smells have always given me a migraine i am going to try a gluten free and sugar free diet to see if what i am eating is causing the migrianes i have tried preventive meds and have found no relief as yet although i have started a new one i have not been on it long enough to know if it will help i have very long hair that i wear up in a loose bun but a friend suggested that i cut my hair that it may also be causing migraines i am not comfortable with cutting my hair and am just wondering if anyone that has chronic migraines has been given the advice to cut their hair by a doc my doctors have not suggested this but i have not gotten a good response from my neurologist i would like to change doctors but i am having a hard time finding one that will take my case