Why is my arm bruised after a blood draw? #sahabatpramita, have you ever had a similar experience? What is the reason for this? Is it dangerous? What can be done to deal with the bruise? Bruising after a blood draw happens when there is the blood vessels beneath the skin are torn, causing a small amount of blood to leak and fill the tissue beneath the skin's surface. There are several factors that can increase the likelihood of bruising after a blood draw, including: Bending the elbow or...

Fasting prior to a blood test is often required to get an accurate test result. You will most likely need to fast for the following blood tests: Blood glucose test Triglyceride level test Cholesterol test Basic metabolic panel Renal function panel If someone does not fast prior to their blood test, the protein, vitamin, fat, carbohydrate, and mineral in the food or drink they consume may skew the accuracy of their blood test results.   For example, the fasting blood gluc...