Disease - Bleeder's

Also known as "Christmas Disease" (named after the first patient diagnosed with it), caused by a lack of Factor IX .

The most common type, caused by a lack of Factor VIII . bleeder's disease

Decades ago, the prognosis for someone with "bleeder's disease" was poor, often involving a short life expectancy and severe physical disability. Today, the landscape has changed: Also known as "Christmas Disease" (named after the

Hemophilia is almost always inherited and is "X-linked." This means the gene responsible for the condition sits on the X chromosome. Today, the landscape has changed: Hemophilia is almost

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Severity is classified by how much "factor" is present in the blood. Those with hemophilia may experience "spontaneous bleeds"—bleeding that happens for no clear reason, often into the knees, elbows, or ankles. Modern Management

There are two primary forms, depending on which protein is missing: