Taking Letrozole Tablets should be checked in the hospital for bone density before and every six months after taking them, and if necessary, bone density should be checked at any time to prevent the occurrence and development of osteoporosis. Letrozole tablets are used for the treatment of postmenopausal patients with advanced breast cancer for which anti-estrogen therapy is ineffective, and are anti-estrogenic drugs. Women’s estrogen levels decline after menopause, letrozole tablets can lead to a further decline in estrogen levels, estrogen deficiency can cause increased bone resorption and inhibit calcium absorption, which in turn leads to bone loss, making the risk of osteoporosis significantly higher. Common adverse reactions to Letrozole tablets are mainly hot flushes, nausea and fatigue. When taking Letrozole tablets, you should follow the doctor’s instructions to regulate the use of medication, avoid self-medication. And should pay attention to a healthy lifestyle, bone pain, mild symptoms, can be under the guidance of the doctor oral calcium or vitamin D. Bone density is obviously low, should be timely treatment of related diseases.