A proven and essential tool, hormone therapy (HT) is one of the chief ways we treat prostate cancer. Unlike radiation therapy, which targets specific body parts, hormone therapy is a systemic treatment (affecting the entire body). It can be administered surgically, given orally (in the form of tablets or capsules taken at home), or delivered by injection or infusion at a clinic. This guide provides general information to help you understand what to expect from HT and ways to cope with various aspects of the treatment.