“While caffeine — usually in a cup of coffee or two — is a regular part of most people’s daily routine, at high levels of consumption it can have toxic effects, known as “caffeine intoxication,” experts said.
A safe amount of caffeine for the average person tops out at roughly 400 mg per day — about 4 to 5 cups of coffee, according to the FDAopens in a new tab or window. However, the toxic effects of caffeine kick in with rapid consumption of about 1,200 mg — about 12 cups of coffee.
Guy Mintz, MD, of Northwell Health Sandra Atlas Bass Heart Hospital in Manhasset, New York, told MedPage Today that caffeine intoxication has a range of symptoms, from jitteriness, elevated heart rate, and increased in blood pressure, all the way up to palpitations, nausea, or vomiting, and even seizures.”
Read the full article at MedPage Today