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Acquired bleeding disorders are
conditions that develop during a person's lifetime rather than being inherited.
These disorders occur when the normal blood clotting process is disrupted by
underlying diseases, medications, nutritional deficiencies, or immune system
abnormalities. Unlike congenital bleeding disorders, acquired conditions can
affect individuals of any age and often improve when the underlying cause is
treated.
Common causes include liver
disease, kidney failure, vitamin K deficiency, disseminated
intravascular coagulation (DIC), autoimmune disorders, certain cancers, and
the use of blood-thinning medications such as anticoagulants or
antiplatelet drugs. Some people may also develop acquired haemophilia, a rare
autoimmune disorder in which the body produces antibodies that attack clotting
factors.
Symptoms vary depending on
the severity of the condition and may include frequent nosebleeds, easy
bruising, prolonged bleeding after injuries or surgery, bleeding gums, blood in
urine or stools, heavy menstrual bleeding, and spontaneous internal bleeding in
severe cases.
Diagnosis involves a
detailed medical history, physical examination, and laboratory tests such as complete
blood count (CBC), platelet count, prothrombin time (PT), activated
partial thromboplastin time (aPTT), clotting factor assays, and additional
specialised investigations.
Treatment focuses on
correcting the underlying cause, replacing deficient clotting factors
when necessary, adjusting medications, controlling active bleeding, and
preventing future bleeding complications through appropriate medical care and
regular monitoring.