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does your vision go blurry and can't focus as well after drinking coffee

Fluffywolf

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First, caffeine is a vasoconstictor (it shrinks your blood vessels) thereby, it increases your heart rate and blood pressure. This is why caffeine is so effective for treating headaches.

Second, caffeine is also a diuretic (it makes you pee).

Therefore, if you are already dehydrated, then the caffeine will not have enough blood volume to shrink down the vessels to increase your blood pressure, and the caffeine will increase your dehydration to make you more tired.

Drink at least 3 to 4- 8 ounce glasses of water before drinking one cup of coffee. You will run to the bathroom in 20 minutes, but you see that you will have more pep and energy and use the 3 to 4 rule with every cup. You will find that you need less coffee to give you more energy

Source: http://answers.yahoo.com/question/index?qid=20071213164358AAjA2Lb
 

prplchknz

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Jun 11, 2007
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If you're taking any kind of med, OTC or prescription, they might be interacting with the coffee and giving you blurred vision.

I do take meds, I don't know. It did start after I started this one med.
 

AzulEyes

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I drink crazy amounts of coffee. That doesn't happen to me. I'm thinking coffee doesn't agree with you. :(
 
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