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Congenital curly toes

Congenital curly toes is a condition that is present at birth and tends to affect the third, fourth and fifth toes on one or both feet. This information from Great Ormond Street Hospital (GOSH) explains the causes, symptoms and treatments for the condition.


Conjunctivitis is a very common eye infection. It involves the inflammation (swelling) of the conjunctiva which is the thin delicate membrane that covers the whites of the eyes and lines the inside of the eyelids.

Cortisol deficiency

Find out more about cortisol deficiency and how it is treated. This page also contains information from Great Ormond Street Hospital (GOSH) about how to deal with illnesses, accidents and other stressful events in children on cortisol replacement.

Cranio-fronto-nasal dysplasia

Cranio-fronto-nasal dysplasia is a type of craniosynostosis. The name describes the parts of the skull and face affected. This information sheet from Great Ormond Street Hospital (GOSH) explains the causes, symptoms and treatment of cranio-fronto-nasal dysplasia (also known as cranio-fronto-nasal dysostosis) and where to get help.

Craniofacial microsomia

Craniofacial microsomia is a condition where one or both sides of the face (facial) is underdeveloped (microsomia). This information sheet from Great Ormond Street Hospital (GOSH) explains the causes, symptoms and treatment of craniofacial microsomia (also known as hemifacial microsomia or Goldenhar syndrome) and where to get help.


Craniosynostosis is quite a rare condition that affects how the bones in the skull grow. ‘Cranio’ means head; ‘synostosis’ means fusion. There are different types of craniosynostosis. They all affect the shape of the head.