What did your doctor say about your headache? If he was not forthcoming with information, let me know and I will do some research for you.
I do hope that you get some relief from your headache. I get them much too often (my blood pressure is fine) and my doctor's tell me that mine are due to my Lupus and my Fibromyalgia. They are more like migraines that last for days and days. They are soooo bad that I beg to have a regular headache - at least I can function with a headache!
Let us know how you are and what your doctor said.
Peace and Blessings
Look For The Good and Praise It!