How long does it take? The collection takes about 15 minutes. When it is completed the needle is removed, pressure is applied for a few minutes and a small dressing put on. You will be offered another drink and asked to remain on the bed for about a further 20 minutes.

How much blood do they take in a venesection?

On average, each venesection removes 450–500 mL of blood, which is equivalent to 200–250 mg of iron.

Do you feel better after a venesection?

Feeling better Some participants identified increasing fatigue leading up to their next venesection and reduced fatigue post-venesection.