I fought long and hard to manage my blood pressure with diet and exercise, to no avail. I just didn't want to be depending on pharmaceuticals for anything, but I was having trouble with sudden headaches when I'd climb hills and things like that. Any exertion would lead to a quick headache that would abate almost immediately when I stopped whatever I was doing.
I ended up in Urgent Care with the worst headache of my life. I thought I was having a stroke or something, but they put me on meds for blood pressure, and within a couple of days, it was back under control, and my activity level has improved immensely.
Call your doctor. It may just be a blip. Maybe you ate something really salty the day before or something as simple as that, but blood pressure is nothing you want to ignore.
Good luck.
Roxy
Getting in touch with my inner try-athlete.