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Iloprost is known as a prostaglandin. It acts by imitating a naturally occurring substance in the body called prostacyclin. It is prescribed at GOSH to treat pulmonary hypertension (high blood pressure in the blood vessels in the lungs). It works by lowering blood pressure by widening the blood vessels in the lungs.


Warfarin is a drug that can be given if there is a risk of a blood clot forming or a clot has developed and treatment is needed to prevent further clots.

Sturge-Weber syndrome

A syndrome is a collection of signs that are often seen together. Sturge-Weber syndrome (SWS) is a condition affecting the skin, brain and eyes. It is named after the doctors who described it in the late 19th century and early 20th century.

Moyamoya disease

Moyamoya disease is a rare disease caused by narrowing (stenosis) or blockage (occlusion) of the four main blood vessels in the brain known as internal carotid arteries. The name ‘moyamoya’ means ‘puff of smoke’ in Japanese. This name describes the appearance of the network of small blood vessels that develop in the brain to compensate for the narrowing of the major blood vessels.