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Sudden intolerance to caffeine and alcohol??
What could cause a sudden intolerance to caffeine or alcohol? It seems that one cup of coffee or one beer can now make my heart rate hit scary levels. My blood work is all normal. Though my blood pressure is a bit high at 135/75ish. I've never had issues with rapid heart rate before. I'm 32 and a former competitive athlete. ( Bodybuilder ) I should mention that in early September I had my fiance take me to hospital, as my heart rate was so high I thought I was having a heart attack. At this time, I was drinking no caffeine or alcohol ( I rarely drink either ) but was taking two, 200mg caffeine pills a day to combat excessive daytime sleepiness due to untreated sleep apnea. This is now under control with CPAP. It almost seems as if that incident changed my body chemistry entirely. I have no explanation for it. Any input would be greatly appreciated. If you have any questions, feel free to ask! Thanks!
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612551 tn?1450025775
Your age is "too young" for any problem with a little coffee/caffeine - but we all have a limit.  Sounds like you know one thing to avoid.  I doubt that one beer should cause any problem, unless you "never drink", so any alcohol is a shock to your system.

Stay off the caffeine and see what happens.  If the high HR continues it may be best to consult a cardiologist.
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im 42 y.o male, had the same problem a few years ago,(at least 4 years)  i noticed my heart raced after a coffee,so i decided to simply stop eating or drinking anything with caffeine, almost instantly my health returned to normal.i also get a racy heart(the day after ) a drinking binge.im seeing a doc at the momment about this, as the last time i got drunk 3 months ago ive had and still have on/off palpitations.first time its gone this long.possible next stop cardiologist.
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I have this exact same problem ... If I have 1 beer or any stimulant my heart rate goes to about 120bpm for hours ... If you ever find out can you let me know?
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I have this exact same problem ... If I have 1 beer or any stimulant my heart rate goes to about 120bpm for hours ... If you ever find out can you let me know?
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I get this with cigarettes only, I do not know about alcohol. Ive smoked cigarettes where I didnt get it, but I stopped, Its just to scary.
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Sounds like a thyroid problem to me
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I've had similar problems - sensitivity to caffeine and now, to alcohol. I take no medications and lead a healthy lifestyle. I avoid wheat products and that helps a lot. Check this out:https://www.caffeineinformer.com/caffeine-sensitivity
It could be genetic, an immune response, or related to liver enzymes. I bet it's all the crap in the food chain an environment that we didn't have decades ago.
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