Let your doctor know that the meds are not working properly.
Hormones may play a part. Are you taking birth control pills?
Some foods may trigger migraines/headaches. Does not matter weither you eat healthy or not. Migraines or headaches do not descriminate. Some of the healthiest foods can cause migraines for some people.
Weather can trigger migraines/headaches.
Do a Goggle search for
migraine triggers. You will be quite surprised what you will find.
Suggest that you attempt to keep a headache diary. Do a Google search on how to keep one. In the search field type
headache diary or
migraine diary. You may be able to print the diary out.
The diary will help you figure out what is triggering your migraines/headaches.
Good luck