Avoiding MSG, foods with sodium nitrate (hotdogs, all lunchmeats, ham, etc), foods that are aged (cheeses, avocado), avoiding citrus, and other foods that can trigger migraines/headaches may be something to try also.

Medication
A good medication that aborts the migraine is using Zomig 2.5 mg at the initial onset, followed by Amerge 2.5 mg two hours later.

Hope that she gets relief! We understand how disruptive they can be and how concerned you are for her.