Jimmy Cragg's symptoms were initially dismissed as a virus or tonsillitis until a bruise on his back — a sign of low platelet ...

There is little risk to a magnesium blood test. Just like any blood test, you might experience slight discomfort or bruising ...

Still, she advises that you may want to get it if you're "experiencing symptoms like persistent fatigue, unexplained bruising or frequent infections." A CBC blood test can indicate lots of ...

Blood glucose tests are common, and many healthcare professionals ... and it may be a little tender or bruise afterward. Avoiding the first finger and thumb reduces the risk of pain.

As with any blood test, there’s a risk of bleeding, bruising, or infection at the puncture site. You may feel moderate pain or a sharp pricking sensation when the needle enters your arm.