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Factor V deficiency

Factor V deficiency (also occasionally known as Owren’s disease or parahaemophilia) is a clotting disorder. A specific protein is missing from the blood so that injured blood vessels cannot heal in the usual way. This information sheet from Great Ormond Street Hospital (GOSH) explains the causes, symptoms and treatment of Factor V deficiency and where to get help. 

Factor VII deficiency

Factor VII deficiency (also known as Alexander’s disease) is a type of clotting disorder. A specific protein is missing from the blood so that injured blood vessels cannot heal in the usual way. This information sheet from Great Ormond Street Hospital (GOSH) explains the causes, symptoms and treatment of Factor VII deficiency and where to get help.

Factor X deficiency

Factor X (previously known as the Stuart-Prower factor) deficiency is a type of clotting disorder. A specific protein is missing from the blood so that injured blood vessels cannot heal in the usual way. This information sheet from Great Ormond Street Hospital (GOSH) explains the causes, symptoms and treatment of Factor X deficiency and where to get help.

Factor XI deficiency

Factor XI deficiency (also known as Haemophilia C, plasma thromboplastin antecedent deficiency or Rosenthal syndrome) is a clotting disorder. A specific protein is missing from the blood so that injured blood vessels cannot heal in the usual way. This information sheet from Great Ormond Street Hospital (GOSH) explains the causes, symptoms and treatment of Factor XI deficiency and where to get help.

Factor XIII deficiency

Factor XIII deficiency is a type of clotting disorder. A specific protein is missing from the blood so that injured blood vessels cannot heal in the usual way. This information sheet from Great Ormond Street Hospital (GOSH) explains the causes, symptoms and treatment of Factor XIII deficiency and where to get help.

Fibrous dysplasia

Fibrous dysplasia is a congenital (present at birth) condition that affects bone growth and development. Instead of maturing into solid bone, affected bones stay at the immature fibrous stage so are weak and misshapen.This page from Great Ormond Street Hospital (GOSH) explains the causes, symptoms and treatment of fibrous dysplasia and where to get help.

Food intolerance 

Food intolerance is a type of food hypersensitivity that is very different to food allergy. Food allergy and food intolerance are often confused. A food allergy provokes a response from the immune system, but food intolerance does not. 

Freeman-Sheldon syndrome

This page from Great Ormond Street Hospital (GOSH) explains the causes, symptoms and treatment of Freeman Sheldon syndrome (previously known as Whistling Face syndrome) and where to get help. Freeman-Sheldon syndrome is a rare genetic condition that affects the mouth, face, hands and feet.