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Side Effects Of Too Much Caffeine

Updated on March 6, 2017

Do You Drink Too Much Caffeine

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Negative Effects of Caffeine


It seems that every time I do research on some sort of symptoms I have, it leads to one of two things – hypothyroidism or too much caffeine. Since I am on medication for the hypothyroidism and know the side effects of the disorder and of the medication, I thought I would look into side effects of caffeine. Some of the information is pretty much common knowledge: it can cause sleeplessness, irritability and nervousness. Too much can cause nausea. But there were some things that I didn’t know.


Side Effect - Caffeinism

Drinking too much caffeine (too much is defined as more than 600 mg or about 17 cans of soda) can cause a syndrome called “caffeinism.” Caffeinism symptoms include anxiety, restlessness, and sleep disorders. Too much caffeine triggers the fight or flight response so can also cause anxiety and panic attacks. It can make premenstrual syndrome worse for some. It can also cause extreme confusion.

Do You Drink Too Much Caffeine?

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Side Effects of Caffeine In Women And Babies


If caffeine is given to babies it can lead to the destruction of the intestines and bowels. It could even lead to death. Why someone would give an infant caffeine is beyond me, and this is the best reason not to do that.


Women who consume 31 mg of caffeine a day (one soda) have an increased rate of fibrocystic breast disease. Fibrocystic breast disease is lumpiness in one or both breasts. This can be extremely uncomfortable, even painful. Seems like a big risk for a little pick-me-up.

Side Effects of Caffeine and Other Health Issues

Caffeine in extremes can also lead to high blood pressure and cardiovascular disease. Women have increased heart rhythm and men experience shrinking of blood vessels. It can also cause arterial damage in the heart, tachycardia (increased heart rate), and increased ventricular output. Having a stroke is also an increased risk. Just thinking about all of this makes my blood pressure rise!

Some people who drink too much caffeine have an increased risk of hypoglycemia and hyperglycemia. Both of these are conditions where blood sugar levels are either higher or lower than normal.

One side effect that no one thinks about is dehydration. People think that since they are drinking fluid, they are able to keep hydrated, but this is just not true. Too much caffeine can also lead to an increase of kidney stones, increased urine output and other difficulties with the urinary tract system.

People also think that caffeine keeps you energized, but it can also lead to decreased energy after the initial rush. It can also lead to emotional fatigue because too much caffeine can lead to your body not being able to shut down and rest.

As I was researching the bad effects of caffeine, I realized that I am truly addicted to the stuff. I just finished off my second can of soda while writing this!

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    • justateacher profile image
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      LaDena Campbell 4 years ago from Somewhere Over The Rainbow - Near Oz...

      Moonlake...I had the same problem when I was little...I was allergic to milk...I remember eating cereal with Pepsi in it because I couldn't have milk...it's funny how thinness change!

    • moonlake profile image

      moonlake 4 years ago from America

      Years ago doctors had parents give coke syrup to our babies for tummy problems. We could buy it in the drug store. Our son drank Coke or Pepsi in his bottle because he had so many allergies and not much of anything he could drink. They just wanted to get something down him that would stay down and not come back up. When he drank milk or soy milk it would come right back up shoot right out of him. He was not gaining weight so they had us put soda in his baby bottles, we had to shake it up to get the fizz out of it. I think cola drinks saved his life.

      I hate seeing little kids drinking diet cokes.

    • justateacher profile image
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      LaDena Campbell 4 years ago from Somewhere Over The Rainbow - Near Oz...

      rasta - I'm sure that you are right - moderation is the key...I just don't have the willpower to moderate!! That's why I decided that none was best for me!

    • rasta1 profile image

      Marvin Parke 4 years ago from Jamaica

      Caffeine does cause dependency. I think if used in moderation, it would not pose some the risks that you have outlined.

    • justateacher profile image
      Author

      LaDena Campbell 4 years ago from Somewhere Over The Rainbow - Near Oz...

      KDeus - Thanks for reading, voting and sharing! It makes me crazy when I see kids at Starbucks or some place like that getting all of those highly caffeinated drinks! What are those parents thinking!

    • KDeus profile image

      Keely Deuschle 4 years ago from Florida

      Great article! After I had been dx'ed with breast cancer, I completely gave up caffeine. From time to time I'll have a little in coffee, but most of the time I'm drinking Teeccino (coffee alternative) or decaf tea.

      I get irritated when I see parents giving their young children caffeinated drinks and even coffee. I just think about what it could be doing to their body.

      Voted up and shared!

    • justateacher profile image
      Author

      LaDena Campbell 4 years ago from Somewhere Over The Rainbow - Near Oz...

      Kris - thanks for reading! Giving up caffeine does make a big difference for our health!

    • Kris Heeter profile image

      Kris Heeter 4 years ago from Indiana

      Even though I wasn't drinking much caffeine (just one cup of coffee and a soda) each day, I ended up giving both up when I was diagnosed with high blood pressure. Cutting the caffeine made big difference for me! Great article - voted up and sharing.

    • justateacher profile image
      Author

      LaDena Campbell 5 years ago from Somewhere Over The Rainbow - Near Oz...

      There are so many things that caffeine can do and it seems that I would give it all up...I have cut back some - hopefully one day I will give it up for good.

    • tamarawilhite profile image

      Tamara Wilhite 5 years ago from Fort Worth, Texas

      Caffeine can also contribute to exhaustion when you drink it too late in the day to get good sleep at night, making you more dependent on it to get up in the morning.

    • manu6076 profile image

      manu6076 5 years ago from Hong kong

      Very Practical & informative hub.

    • Maddambutterfly profile image

      Marie V Stephens 5 years ago from New Mexico

      I LOVE IT! Great article!

    • ChaplinSpeaks profile image

      Sarah Johnson 5 years ago from Charleston, South Carolina

      To tag on to what tarajeyaram said - yes, your body will adjust to stopping caffeine, which is a stimulant. I stopped when I had kids, but once got a reg coffee by mistake at a restaurant. I was up all night and then afterwards actually had a hangover! It's bad stuff. I had no idea of all the other health problems you mentioned. Thanks for bringing this to light! Great Hub!

    • tarajeyaram profile image

      tarajeyaram 5 years ago from Wonderland

      Great information. Thank you for writing on this topic. The more you drink coffee, your body will get used to it. You need more of it. I always think that if you get used to not drinking it, you will be fine. It will take couple of days for your body to adjust. Your body will function fine. Thank you.