I had to look up what headahce buster is. I feel like I have tried something similar that my chiropractor gave me. I could only use it in one nostril because I wasn't brave enough to do the other one. It's very powerful (so spicy/hot) but if you can stand the burn, it will clear your sinuses out.

If you can't tolerate the burn like me, you could try using a nette pot to clear your sinuses and relieve some pressure in your head.

I also use HeadOn. It doesn't get rid of my headaches but it eases the pain.

I read up on headache buster for my dad who suffers from migraines.  There are several clinical studies to show that capsaicin (active ingredient in Headache Buster) is effective in relieving migraines when used early on.  Even though it doesnt last as long as he would like - he is able to use it whenever the pain returns and after a few sprays he says that his nose has become desensitizes to the capsaicin and it doesnt burn as much.  good luck.

I tried this medication last summer ('09) and found it to be very effective. I had just suffered a 3-day migraine, which I had never had before and didn't want to experience again (I would occasionally get migraines that last about a day). I use it whenever I feel one coming on and keep taking it about hourly until I can tell it's going away. If the headache feels like it's getting worse, I will use it more often and more of it (a couple sprays vs. one). I have not had a headache turn into a migraine since using this stuff and am so glad I found it. It does burn quite a bit and gives you quite a jolt, but compared to the threat of a migraine, it's so worth it and very temporary (it burns in my nose & throat for less than a minute). It's also nice to know that it's all natural so there's no harmful side effects and no limitations in using it as often as you feel you need it. From now on I make sure I have it available wherever I am.

Sounds like something to consider. I've used capsacin products topically for my fibro and it has worked wonderfully until I rub my eyes.  Since Nancy mentioned it's "homeopathic" I will be asking my physicians about it before I venture to it.  My neuro will probably say "I don't know anything about it", my primary (homeopath) will probably say "go for it" & my headache specialist, ???

Yes!  It works great! Expect a shockingly blast of pepper up your nose, keep it out of your eyes, but breathe it up deeply and in a few minutes your sinuses will drain and so will the headache.  It is totally amazing stuff - none addictive, no side effects (after the burning sensation stops - it takes a couple of minutes, but I use that time to visualize the spray disrupting & cleaning out all the clogged areas).  When I can feel the effects of the spray move up into the sinus area behind my eyes, I know I'm going to be feeling better very quickly.