Fella1234 please don't be worried about using oxygen. I can't begin to tell you how much less I fear the attacks if I have my tank.
I've had just one attack go full blown in over 12 yrs and only recently because Ive no emergency tank in Australia like I do in uk. Like most people on here I've tried quite a few meds, most didnt help me, some gave me nasty side effects, so hadnt been using any since o2, with the recent exceptions of trying to break the start of this cycle and end the last one, only when I realised the little CH b@stard had changed anyway, despite me believing that we had a deal on cycle length.
If you've not tried d3, I'd definitely give it a go. For me it's worked quicker than prednisone in stopping the attacks - PF nearly 3 weeks with only 1 breakthrough when I dropped dose.
*if* o2 gives me rebounds and its not just a pattern change - i still take it anyway! The thought of enduring a full 3hr attack compared to relief within 15 min's!
If i was rebounds it could be that my technique is poor.
And it could just be what happens to me wouldn't happen to you. I'm an ECH with what I believe is a non standard pattern and response.
Im sure others will share their support for oxygen, but if you're busting I assume O2 is one of your better abortives anyway? I'm sorry I've scared you, absolutely not my intention, please give the O2 a go.