Fulvestrant ratiopharm is a medicine that blocks estrogen, a hormone that can help some breast cancers grow.
The usual dose is 500 mg (two injections) once a month. You will also get an extra 500 mg dose two weeks after your first dose.
A doctor or nurse will give you slow injections into each of your buttock muscles.
There is no specific maximum daily dose; this medicine is given once a month.