Hemophilia Symptoms


The extent of bleeding will depend on the type and severity of hemophilia a person has. Types of hemophilia include hemophilia A and hemophilia B. Severity of hemophilia symptoms may be mild, moderate, or severe. For example:
  • Children with very mild disease may not have noticeable hemophilia symptoms for years. Often, the first hemophilia symptom is heavy bleeding from a dental procedure, an accident, or surgery.
  • Children with mild to moderate disease may not have any hemophilia symptoms or signs at birth.
  • Boys with severe disease may bleed heavily after circumcision.
Internal bleeding is a common problem for people with severe hemophilia. When internal bleeding is not treated promptly, it can lead to damaged joints, muscles, or other parts of the body.
Most people (about 7 out of 10) with hemophilia A have severe hemophilia symptoms.

(Click Hemophilia A for more information about this type of hemophilia.)

Early Symptoms

In most children, the first hemophilia symptoms often include:
  • Heavy bruising and bleeding from the gums as they cut their baby teeth
  • Bumps and bruises from frequent falls as they learn to walk
  • Swelling and bruising from bleeding in the joints, soft tissue, and muscles.

Symptoms of Hemophilia in Children and Adults

The most common hemophilia symptoms in older children and adults include such things as:
  • Bleeding in the joints, which is also known as hemarthrosis
  • Bleeding and bruising in the soft tissue and muscles
  • Bleeding in the mouth from a cut or bite or loss of a tooth
  • Nosebleeds for no obvious reason
  • Blood in the urine (from bleeding in the kidneys or bladder)
  • Blood in the stool (from bleeding in the intestines or stomach).

Hemophilia Disease

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