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Antiandrogens are a type of drug that works by blocking the effects of androgens, which are male sex hormones such as testosterone, in the body. They are typically used to treat illnesses that require lower androgen activity, such as prostate cancer, hirsutism (excessive hair growth), acne, and transgender hormone therapy to suppress masculine features. There are several forms of antiandrogens, each with its own mode of action. Some act by inhibiting androgen receptors, preventing testosterone or dihydrotestosterone (DHT) from binding and causing biological consequences. Others reduce androgen production in the body, usually by blocking enzymes involved in their synthesis. Spironolactone, which was originally designed as a diuretic but was later discovered to have antiandrogenic characteristics, is a common antiandrogen. It inhibits androgen receptors and reduces testosterone synthesis, making it effective in treating female hirsutism and acne. However, it is not suggested during pregnancy because it may feminize a male fetus. Cyproterone acetate is another antiandrogen used to treat prostate cancer and hirsutism. It acts by inhibiting androgen receptors and lowering androgen synthesis in the testes. Antiandrogens may be used alongside estrogen in transgender hormone therapy to reduce testosterone levels and promote the development of feminine traits in trans women. This combination reduces body hair growth, lowers libido, and may lead to breast development. Although effective, antiandrogens might cause negative effects. They may induce irregular menstruation cycles in women, breast pain, and, in certain circumstances, liver issues. Additionally, lowering androgen levels can have an impact on bone health, perhaps leading to osteoporosis or bone fractures in the long run, particularly in the elderly. Antiandrogens, like any other medication, should only be used under physician supervision. They may interact with other medications or have contraindications for specific medical conditions. Regular monitoring of hormone levels and adverse effects is required to ensure that the treatment is successful and safe. Antiandrogens serve an important role in addressing a variety of disorders caused by excessive androgen activity, giving relief and assisting in the adjustment of hormone levels to reach desired treatment goals.