Fulvestrant 250mg Injection: How Effective Is It? Fulvestrant is the hormone therapy drug that is used to treat breast cancer in post-menopausal women. The brand name of this medicine is Fulvant. It is an estrogen receptor antagonist that interferes with the binding of the hormone to its receptor. Also, it damages the receptors so that estrogen cannot bind to it further. The Fulvestrant injection 250mg also reduces tumour growth and metastasis. It can be purchased from Magicine Pharma at an affordable rate availing all the attractive offers. Visit: https://www.magicinepharma.com/injection/fulvant-fulvestrant