Main thing is to drink a lot of water to get as much of the causative substance out of your system.
I took a quick google look and it sound like you may have had a bit too much caffeine.
They all suggest not to throw up (??) but one site sugested activated charcoal.
Are you going to the bathroom a lot? Apparently this will continue... So that;s why the need for water is more urgent.
And would venture to guess no purgatives either, as they predict diarrhea will follow.
Print Article :: Email Article :: Cite Article
Heterocyclic compound that, like other alkaloids, has marked physiological effects.
It occurs in coffee beans, tea leaves, kola nuts, cacao, maté, and guarana and in the products made from them. Its stimulating effect on the central nervous system, heart, cardiovascular system, and kidneys makes it medically useful in treating respiratory Depression
caused by overdose of barbiturates, morphine, or heroin. Its positive effects can include improved motor performance, decreased fatigue, increased alertness, and enhanced sensory activity.
Excessive caffeine can produce irritability, anxiety, insomnia, and potentially serious symptoms such as heart irregularities and delirium. "
What helps hypertension? I'm thinking that may help to slow down your reaction a bit.
Please do keep us posted and get well...
Blessings and good thoughts from this end.