Hi,
I was put on TDRL for migraines w/aura along with other conditons. All I can say is make sure you keep a log of your migraines.
How they affect your daily activities
How they affect your ability to function
Meds currently taking and have taken in the past
Missed work
I would recommend going to the sick call ANYIME you have a migraine to get it logged into your records.
All of the above will also help you with your VA claim
best of luck, any migraine oriented questions, shoot me a PM.
good luck