Is Venesection and Phlebotomy the Same Thing?

Phlebotomy, known also as bloodletting or venesection, is a major therapeutic procedure that has been performed by physicians in various civilisations since antiquity up to the present1,2. In the past it was practised using cupping, lancets or by the application of leeches2.

What does a venesection do?

What is a venesection and what does it do? This is the simplest and quickest way of reducing the number of red cells in your blood. It will reduce the amount of blood in your body by removing about one pint (half a litre) of blood at a time. It is similar to the procedure used for donating blood.

How is a venesection done?

It's a simple procedure done just like having a blood draw or making a blood donation – a doctor or nurse inserts a needle into your vein and collects some blood. Patients with PV usually have about anywhere from 350 ml to 500 ml of blood removed during venesection.

David Miller

David Miller

Executive Financial & Market Analyst

David Miller brings 15 years of experience in global economics, personal finance strategy, and market dynamics. He specializes in turning complex economic trends into actionable insights for everyday readers.