Blood Disorders

Blood disorders prevent the blood from doing its job. They can affect one or more parts of the blood and, in turn, almost every part of the body. Blood disorders can be acute or chronic.

Blood Testing

A healthcare worker prepares to take blood from a patient's arm
What Is MCH?

Explore Blood Disorders

Blood-Clot-Risk-JJ-Vaccine-Vs-Birth-Control-AdobeStock_271637647-GettyImages-1148160913
Why It's Tough to Directly Compare the J&J Vaccine Blood Clots to Those Linked to Birth Control
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How Concerned Should You Be About Getting Thrombocytopenia After a COVID-19 Vaccine?
Bruise on woman arm. Injection bruises. Doctor and patient.
Why Do I Bruise Easily? Understanding the Causes
Blood Clot Symptoms: What To Watch For, and When To See a Healthcare Provider
MRA Brain or Magnetic resonance angiography (MRI) of Vessel in the brain sagittal view.
COVID-19 Is Causing Blood Clots and Strokes in Some Patients—but Doctors Don't Know Why
chrissy-teigen-blood-transfusion , BEVERLY HILLS, CALIFORNIA - FEBRUARY 09: Chrissy Teigen attends the 2020 Vanity Fair Oscar Party hosted by Radhika Jones at Wallis Annenberg Center for the Performing Arts on February 09, 2020 in Beverly Hills, California. (Photo by Frazer Harrison/Getty Images)
Chrissy Teigen Needed 2 Blood Transfusions While Hospitalized for Pregnancy Issues—Here's What's Going On
Acquired Methemoglobinemia blue-blood
Benzocaine Causes Methemoglobinemia—a Rare Disorder That Turns Blood Blue
Sick boy with Kawasaki disease sitting on the couch and his mother's hands preparing to place the thermometer in the armpit
What Is Kawasaki Disease?
Tired woman resting
Signs and Symptoms of Lymphoma
A woman sits with her eyes closed and a hand on her head
What Is Pancytopenia?
woman lying on a sofa holding her head
Signs and Symptoms of Anemia
woman with iron deficiency anemia symptoms
Signs and Symptoms of Iron Deficiency Anemia
nurse looking for the vein in the arm of a senior male patient
What Is Iron Deficiency Anemia?
Micro power nap on a purple couch
15 Iron Deficiency Signs and Symptoms
A close-up of a person's eye, with the white part yellowed
High Bilirubin Levels
Sad and depressed woman sitting on the sofa at home
What Is Malaise?