The efficacy of Anastrozole Tablet is mainly anti-cancer. Side effects include general reactions such as hot flashes, skin rash, muscle and joint stiffness, and also specific reactions such as vaginal bleeding. 1. Anastrozole Tablets efficacy It is mainly anti-cancer, especially endocrine therapy for advanced breast cancer in postmenopausal women. In addition, Anastrozole Tablets can be used for estrogen receptor negative if the clinical reaction is positive for Tamoxifen. 2. Side effects of Anastrozole Tablets General reactions: Most often seen in the cardiovascular system, such as mild to moderate hot flashes. There are also common debilitating, joint and muscle stiffness, vaginal dryness, thinning hair, rash, nausea, vomiting, headache, carpal tunnel syndrome, abnormal liver function and other side effects of various systems. Special reactions: are rarer side effects, including vaginal bleeding, erythema multiforme, urticaria, and fractures. Anastrozole tablets are special drugs with strict indications and certain side effects. Therefore, the use of this medicine must be under the guidance of a specialized physician.