Flutamide is usually given as a tablet rather than injections. It can be given alongside other hormone treatments that are given as an injection. It can be given for advanced prostate cancer, but it may also be given to help prevent a condition caller tumour flare where symptoms can get temporarily worse when some hormone treatments are first started. So it can be used in different situations. Probably the best thing to do would be to talk things through with the doctors to get a sense of why it has been prescribed.
