Your first sentence seems to say that you had two energy drinks in three days, and that made you get dizzy and fatigued... is that right? If so, why are you taking the energy drinks? How do you feel without them?
We are not doctors here, but I think your BP readings are abnormal, depending on how you took them and what you used to read yourself, how accurate it is.
I think you should stop taking the energy drinks and see if your BP reacts and what your readings are then. If you still feel dizzy and fatigued, if your BP readings are still similar, you should be seen by a doctor to find out why. No one can determine the cause over the internet.
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