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Types of medicines

Most medicines come in a variety of types or formats. Be aware, though, that some medicines (particularly rare or unusual ones) only come in one type. Also, some may be more effective in one type than another.

Mercaptamine 0.55% eye drops

Mercaptamine is a medicine that stops build up of an amino acid called cystine in the body. Large amounts of cystine can build up in the body causing damage to tissues and organs when a child has a condition called cystinosis. Mercaptamine eye drops are prescribed to reduce build up of cystine crystals in the eyes.

Venous sclerotherapy

Venous sclerotherapy is a procedure used at Great Ormond Street Hospital (GOSH) to treat venous malformations. Venous malformations are made up of extra veins that have no use and cause problems. A medicine is injected into the veins, which irritates them encouraging them to shrink.

Services we provide

Pharmacy is defined as the study of medicines. It involves studying how medicines are discovered, developed and made. It also covers how medicines work in the body to prevent or treat disease, and how active ingredients can be made in to medicines.


Fludarabine is a chemotherapy medicine used to treat certain types of leukaemia such as acute myeloid leukaemia (AML) and acute lymphoblastic leukaemia (ALL). It is also used to prepare some children for bone marrow transplant.

Generalised severe junctional epidermolysis bullosa (EB)

This information sheet from Great Ormond Street Hospital (GOSH) explains about generalised severe junctional epidermolysis bullosa (previously called Herlitz junctional EB) and how it can be managed. It also contains suggestions for making everyday life more comfortable and contact details for further information and support. This information sheet explains about the generalised severe junctional form of EB.