Tamoxifen

Tamoxifen is an antioestrogen medication used as a tablet to treat and prevent breast cancer. Antiestrogens are used to block the action of the oestrogen hormone. Tamoxifen must not be used in pregnancy unless the mother’s life is at risk. Adequate contraception must be used by all fertile women who use tamoxifen.…

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Thelarche

Thelarche is the medical term for the process of breast development in girls during puberty. It starts with the development of a firm nub of breast tissue behind the nipple from which the breast steadily grows.

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Thiazide Diuretics

Thiazide diuretics are a type of fluid tablet that has been widely used for fluid problems since the 1950s. They increase the rate at which the kidney produces urine, and therefore the frequency with which a person has to visit the toilet to pass urine. They include medications such as:…

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Thiotepa

Thiotepa is an antineoplastic medication used as an injection to treat some forms of breast, ovarian and bladder cancer. There are almost invariably some minor to moderate side effects (e.g. fever, dizziness, headache, blurred vision) but it must be used with great care as it may have serious side effects…

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Toremifene

Toremifene (Fareston) is an antineoplastic medication. It has been used since 1998 as a tablet to treat some types of breast cancer in post-menopausal women. It is not to be used in breastfeeding, children or pregnancy unless essential for the health of the mother. Use toremifene with caution in patients…

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Trastuzumab

Better known by its trade name of Herceptin, Trastuzumab is a synthetic antibody that was introduced in 1998 and targets breast cancer cells that are HER2 (human epidermal growth factor receptor 2/neu) positive. Herceptin attaches itself to the HER2 protein receptors on the surface of cancer cells and slows the…

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Trilostane

Trilostane is an unusual medication that is used to treat two very different conditions – breast cancer and excess activity of the adrenal gland (hyperaldosteronism or Conn syndrome). It must not to be used in pregnancy, breastfeeding, children or if suffering from severe kidney or liver disease. Use trilostane with…

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Trophic Hormones

Trophic hormones are given as: injections to aid infertility; to prevent miscarriages; to stimulate sperm production in men; to control breast pain due to hormone imbalances; to start puberty in cases where it has been delayed; to control some patients with asthma and arthritis. There are a number of rarer…

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Turner Syndrome

The Turner syndrome (XO syndrome) is a rare defect in sex chromosomes. The person is born with only one X chromosome (XO), and no matching X or Y sex chromosome. The sex chromosomes are named X and Y. Normally two X chromosomes (XX) occur in a female, and one of…

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