Hormone therapy or hormonal therapy is the use of hormones in medical treatment.
A hormone is any member of a class of signaling molecules produced by glands in multicellular organisms that are transported by the circulatory system to target distant organs to regulate physiology and behaviour.
Transgender Hormone Therapy Q&A by Victoria Wiggins
Treatment with hormone antagonists may also be referred to as hormonal therapy or antihormone therapy.
Antihormone therapy is a type of hormone therapy that suppresses selected hormones or their effects, in contrast with hormone replacement therapy, which encourages hormone activity.
Natural Hormone Replacement Therapy 2013 by HormoneHealthCenter
The most general classes of hormone therapy are oncologic hormone therapy and hormone replacement therapy, of which there are various kinds.
Hormone replacement therapy is any form of hormone therapy wherein the patient, in the course of medical treatment, receives hormones, either to supplement a lack of naturally occurring hormones or to substitute other hormones for naturally occurring hormones.