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The first online pharmacy in the U.K. was Pharmacy2U, which started operating in 1999. [67] The UK is a frontline leader in internet pharmacies since a change to NHS pharmacy regulations in 2005 that made it legal for pharmacies to fill NHS prescriptions over the Internet. [68]
Tamoxifen, sold under the brand name Nolvadex among others, is a selective estrogen receptor modulator used to prevent 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]
Tamoxifen is a first-line hormonal treatment for ER-positive metastatic breast cancer.It is used for breast cancer risk reduction in women at high risk, and as adjuvant treatment for axillary node-negative and node-positive ductal carcinoma in situ.
More recently developed forms of drug delivery are alleged to have increased local effect lower dosing, fewer side effects, and constant rather than cyclical serum hormone levels. [1] [2] Transdermal and vaginal estrogen, in particular, avoid first pass metabolism through the liver. This in turn prevents an increase in clotting factors and ...
Over time, often 3–6 years, drugs that prove themselves safe and appropriate as prescription medicines may be switched from prescription to OTC. [ citation needed ] An example of this is diphenhydramine (Benadryl), an anti-histamine which once required a prescription but now is available OTC nearly everywhere.
A pharmacist, also known as a chemist in Commonwealth English, is a healthcare professional who is knowledgeable about preparation, mechanism of action, clinical usage and legislation of medications in order to dispense them safely to the public and to provide consultancy services.
This is an accepted version of this page This is the latest accepted revision, reviewed on 14 January 2025. Cancer that originates in mammary glands Medical condition Breast cancer An illustration of breast cancer Specialty Surgical Oncology Symptoms A lump in a breast, a change in breast shape, dimpling of the skin, fluid from the nipple, a newly inverted nipple, a red scaly patch of skin on ...
Selective androgen receptor modulators (SARMs) are a class of drugs that selectively activate the androgen receptor in specific tissues, promoting muscle and bone growth while having less effect on male reproductive tissues like the prostate gland.