I am 79 years old and was diagnosed with PRV and tested positive with JAK2. 59% in May 2016.I had 10 sessions of VENESECTION
and since July 2016 have been on Hydroxycarbamide. ,currently taking 11 no. 500mg capsules a week(have been for last 3 years.)
I have been taking various drugs to raised blood pressure for over 40 years