Tamilong 20mg Tablets

Tamoxifen, sold under the brand name Nolvadex among others, is a selective estrogen receptor modulator used to prevent breast cancer in women and treat breast cancer in women and men.^[13] It is also being studied for other types of cancer.^[13] It has been used for Albright syndrome.^[14] Tamoxifen is typically taken daily by mouth for five years for breast cancer.^[14]

Serious side effects include a small increased risk of uterine cancer, stroke, vision problems, and pulmonary embolism.^[14] Common side effects include irregular periods, weight loss, and hot flashes.^[14] It may cause harm to the baby if taken during pregnancy or breastfeeding.^[14] It is a selective estrogen-receptor modulator (SERM) and works by decreasing the growth of breast cancer cells.^[14][15] It is a member of the triphenylethylene group of compounds.^[16]

Tamoxifen was initially made in 1962, by chemist Dora Richardson.^[17][18] It is on the World Health Organization's List of Essential Medicines.^[19]