Wiktionary
eflornithine
n. (context medicine English) A drug, ''α-difluoromethylornithine'', used to treat cancer and sleeping sickness
Wikipedia
Eflornithine
Eflornithine (α-difluoromethylornithine or DFMO) is a drug found to be effective in the treatment of facial hirsutism (excessive hair growth) as well as in African trypanosomiasis (sleeping sickness). Eflornithine hydrochloride cream for topical application is meant for women affected by facial hirsutism.
It is on the WHO Model List of Essential Medicines, the most important medications needed in a basic health system.