A blood disorder can occur if your red or white blood cells, smaller blood cells called platelets, or blood clotting proteins don't function as well as they should.
Anaemia is a lack of red blood cells, which carry oxygen from the lungs around the body. It's important treat the cause of the anaemia.
Antiphospholipid syndrome (APS)
Antiphospholipid syndrome (APS) is a blood disorder that increases the risk of blood clots and pregnancy complications. Learn more here.
A blood clot can affect your heart, lung or brain, which could be life-threatening. Learn how to recognise the signs of a blood clot.
Haemochromatosis causes the body to absorb too much iron, leading to organ damage. Blood tests will diagnose it, and treatments are available.
Haemophilia stops blood from clotting properly, causing abnormal bleeding. It’s best managed by a multidisciplinary team of health professionals.
Human T-cell leukaemia virus type 1 (HTLV-1) is a virus that infects T-cells, white blood cells that form part of the immune system. Learn more here.
Leukaemia is a cancer that affects the formation of white blood cells. Learn about the different types, as well as symptoms and treatment options.
Leukaemia in children
Leukaemia is the most common cancer in children. Children with leukaemia are usually treated for 2 to 3 years. Get the facts here.
Lymphoma is a cancer that affects the immune system. Although lymphoma is a serious disease, good treatment options are available.
Multiple myeloma develops when plasma cells build up abnormally in the bone marrow. Currently there's no cure but treatment is available.
Porphyria is caused by problems with red blood cells and has a wide range of symptoms. Discover how it's managed and treated.
Sickle cell anaemia
Sickle cell anaemia is the most common and serious form of sickle cell disease, in which the body produces too many unstable red blood cells.
This inherited blood disorder prevents someone from making enough healthy haemoglobin to carry oxygen around the body, but it may not need treatment.
Thrombocytopenia (also spelt thrombocytopaenia) is low platelets, which can result in bleeding problems. Learn more about its causes and symptoms.
Thrombosis with thrombocytopenia syndrome
Learn about TTS, a very rare blood-clotting syndrome linked to the AstraZeneca COVID-19 vaccine (Vaxzevria) - including symptoms and treatment here.
Von Willebrand disease
People with von Willebrand disease have trouble controlling their bleeding because a blood clotting factor is either absent, low or defective.