Medicines information

The information in this section describes medicines, how they are given and some of their possible side effects.

If you have any questions or concerns about medications, please ask your doctor, nurse or pharmacist.

Medicines search

Search for information on medicines at Great Ormond Street Hospital.


Busulfan is a chemotherapy medicine used before bone marrow transplant or high dose therapy with stem cell rescue to help treat certain types of cancer and metabolic conditions.


Ciclosporin is a medicine that is used to treat many different conditions. It is commonly used to prevent rejection of organs such as kidneys after a transplant, and it is used both before and after bone marrow transplants.