Is It Safe To Travel 8 Hours By Flight While Having High BP, And Dizziness Apart From Pins And Needles In The Face, Neck And Arms?

My blood pressure is reading 181/101 Is it OK for me to fly on am 8 hours flight on sun. I am not on medication Symptoms during the last two weeks include dizziness. Pins and needles face neck head and arms Severe headache/head pressure Tired/fatigue