Why is it harder to find veins for injection on someone who’s feeling nervous about it ?

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I was given an injection with a baby needle on my elbow pit. The nurse had to switch veins 4 times (twice in left arm, twice in right arm) and still didn’t manage to give me the injection. I was told it was because I felt nervous so it made my veins “disappeared”. How is that possible ?

In: Biology

9 Answers

Anonymous 0 Comments

Nervousness causes high blood pressure. One of the causes of high blood pressure is constriction of the blood vessels thus making them smaller and hard to find. Add in the fact that not everyone has the same body make-up, I.e. some people may just have naturally smaller/less flexible veins or their veins don’t run in exactly the same way, can also contribute.

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