The severity of symptoms vary. Bleeding is the main symptom of
the disease and sometimes, although not always, occurs if an
infant is circumcised. Additional bleeding problems are seen
when the infant starts crawling and walking. Mild cases may go
unnoticed until later in life when they occur in response to
surgery or trauma. Internal bleeding may happen anywhere, and
bleeding into joints is common. Symptoms may include: If the
patient is the first person in the family to have a suspected
bleeding disorder, he or she will undergo a series of tests
called a coagulation study. Once a disorder has been identified,
other family members will need less testing to diagnose the
disorder. Tests to diagnose hemophilia A include: Kessler CM.
Hemorrhagic disorders: coagulation factor deficiencies. In:
Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed.
Philadelphia, Pa: Saunders Elsevier; 2007:chap 180. © 2011
University of Maryland Medical Center (UMMC). All rights
reserved. UMMC is a member of the University of Maryla