Can Diet Coke raise blood pressure and how do you flush it out?

I had about 100 ounces of diet coke today (2 big gulps) and my blood pressure is high 149/102 and I can feel it. How do I flush it out? I've drank 1 64 ounce big gulp every day and it never bothered me. I'm also taking Avelox and Hycodan for bronchitis, perhaps this is part of the problem? Thanks for your help!