I've been taking part in the Melbourne trial since May and i am still not sure it is going to work out for me, but want to try and persist. I have been diagnosed as Dysautonomia with OH, not POTS. Severe headaches and fatigue is a problem. Florinef caused the headaches to worsen, DHE helped a little but I needed large doses orally plus a daily self-injection. My doctor really felt that Droxidopa would be the one to put me back on my feet and get me back into life as OH is my main symptom. It certainly does increase the bp but it seems to increase the headache problem on the higher doses and I