The only true "cure" of which I'm aware is
time!
FWIW, aside from drinking in moderation, I tend to try to eat lots of food both before and after drinking to slow ethanol uptake, drink lots of water both before heading to bed to assist in limiting dehydration, and occassionally also drink a cup of tea with sugar, instead of black coffee in the morning. I'll sometimes also try to sip on Gatorade or some other "sports" juice drink instead of a simple cup of orange, grapefruit, or cranbury juice. I do not take pain killers since the liver function/damage issue is very real! I instead take a really long, very hot, powerful shower with special emphasis on the back of the neck and head!
But then it has been quite a long while since I had a hangover!
Thankfully!
And yes, "a little liquor'll heal you quicker" is
not entirely a joke! Actually drinking more ethanol may also help alleviate some symptoms!
Yet FWIW, they reportedly tend to get worse as one grows older! Some consolation, eh?
Actually, what you really need is an IV!
FWIW, curiousity if nothing else, please also see:
http://news.bbc.co.uk/1/hi/health/239281.stm
http://www.hangoverstopper.com/
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Please also see:
http://www.flyertalk.com/forum/Forum95/HTML/002310.html