Fulvekast 250 mg/5 mL Fulvekast 250 mg/5 mL contains Fulvestrant, a hormonal anticancer medicine used to treat hormone receptor-positive breast cancer in postmenopausal women. It helps control the growth of cancer by reducing the effect of estrogen on cancer cells. By blocking and lowering estrogen receptor activity, Fulvekast helps slow the progression of hormone-sensitive breast cancer and supports long-term disease management. It is administered as an intramuscular injection by a qualified healthcare professional as part of an individualized treatment plan.