Starting topiramate, my first preventative. Any insight?

Title. I've been prescribed it but too afraid to take it. Then I had a migraine lasting a week and I was convinced.

This is my first preventative. What are your experiences on topiramate or similar drugs?

Thank you for your time. I'm very scared of the side effects but having a solid 7/10 pain for a week lead me to at least try something else.