Replied By Makayla (Knoxville, Tn) on 09/26/2012
This works! When I feel a migraine coming on, I do a variation where I lay down and breathe through my bed sheets. It increases the CO2 in your bloodstream, which in turn dilates your blood vessels.
I've read, and confirmed, that it only works when you do it during your aura. If you do it when the actual headache pain hits, it can make it worse.
Replied By Brett (Los Angeles, Ca) on 10/23/2012
I have done this now for a few Months ever since my Doctor explain why it work. Migraines are a swelling of the brain. CO2 make the blood vesels constrict causing the flow of blood to slow down. It works almost every time if I do it soon enough.Replied By Carrie (California, US) on 10/19/2014
It works! My 12 year old daughter just tried this and shockingly IT WORKED! 10 minutes in and the pain was subsiding. 15 minutes in and the pain is nearly gone!