Thanks for writing your query.Migraine
attacks are usually triggered by some factors.
Some common factors are :-
1. Lack of sleep.
2. Missed meal.
3. Excessive coffee.
5. Emotional/Physical stress
6. Excess ingestion of dairy products.
cycle in females.
Avoiding some factors can decrease the severity and frequency of these attacks.
You can discuss with your doctor for taking Flunarizine
10 mg daily at bedtime for prevention of these attacks.
I hope this is helpful to you.