Hi,
I would suggest that you get your blood pressure checked.Also it could be acute sinusitis. Please try steam inhalation and OTC antihistaminics and see if it helps. Also please consult your physician.
I have harmone headaches and am age 43 - battling with that hysterectomy question. I'd get one in a second if it would work. My ob says she's afraid I'd have a stroke. Not a doctor but your headaches are still well with Migraine parameters. If depakote helped, you could go back on that - duh, I know you already know this - have you thought of Topomax. It is another anti-epileptic that has had really good results with some. Didn't do a thing for me but I know depakote can make you gain weight - Topomax will make you lose a few pounds. Just food for thought.