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Children with autism usually experience difficulty in three main areas: social interaction, social communication and imagination and cognitive flexibility. Each of these diagnostic features can be present in different forms and varying degrees.

Autoimmune enteropathy

Autoimmune enteropathy is a rare condition affecting young babies causing severe long-lasting diarrhoea. This information from Great Ormond Street Hospital (GOSH) explains the causes, symptoms and treatment of autoimmune enteropathy and where to get help.

Bicoronal craniosynostosis

Bicoronal craniosynostosis is a type of craniosynostosis which may be part of a syndrome (collection of symptoms often seen together) or non-syndromic. It occurs when both coronal sutures fuse before birth. This page from Great Ormond Street Hospital (GOSH) explains the causes, symptoms and treatment of bicoronal craniosynostosis and where to get help.


A birthmark is a mark on the skin that is either present at birth or develops in the first few weeks of life. Birthmarks are very common and most types do not require any treatment at all. This information sheet from Great Ormond Street Hospital (GOSH) describes the different types of birthmark that can occur, how they can be treated (if needed) and where to get help. 

Blue rubber bleb naevus syndrome

Blue rubber bleb naevus syndrome is the name given to a condition characterised by blue marks on the skin and internal organs caused by abnormal veins. This information sheet from Great Ormond Street Hospital (GOSH) provides information about the causes, symptoms and treatment of blue rubber bleb naevus syndrome and where to get help.