Von Willebrand disease

Also called VWD or Von Willebrand factor deficiency

Von Willebrand disease is a condition where the blood does not clot properly because there is not enough of a protein called von Willebrand factor, or it does not work well. It is usually inherited and is the most common inherited bleeding disorder. Most people have a mild type and may not know they have it until they have surgery, dental work or an injury.

Last updated Nov 9, 2026

What it is

Many people only need treatment before surgery, dental work or childbirth, or when bleeding happens. Medicines can raise clotting levels or help clots form.

Tell doctors and dentists you have it, and avoid medicines such as aspirin and ibuprofen unless a doctor says they are safe.

Common signs

  • Bruising easily
  • Nosebleeds that last longer than 10 minutes
  • Heavy or long periods
  • Bleeding gums
  • Bleeding for a long time after cuts, dental work or surgery

How it is usually diagnosed

  • Blood clotting tests
  • Von Willebrand factor tests
  • Family history
  • Assessment at a haemophilia centre

Records worth keeping

Keeping these together makes each appointment easier, especially when you see a new doctor:

  • Clotting test results
  • Haematology letters
  • Bleeding disorder cards
  • Treatment plans for surgery or childbirth

Questions to ask your doctor

  • What type do I have?
  • What should I do before surgery or dental work?
  • Should my family be tested?

When to get help right away

Call 112 or go to the nearest emergency department if you have:

  • Bleeding that will not stop, a head injury, vomiting blood or black stools: call 112 and say you have von Willebrand disease

This page is general information. It is not a diagnosis and does not replace a doctor who knows your history. Medfold keeps your records organised; it does not interpret them.

Sources