According to drugs.com, Etidronate is used “to treat or prevent bone growth that is not normal from hip surgery or spine injury”. Etidronate is also indicated for the treatment of Paget's disease of bone, which in turn is a condition that involves cellular remodeling and deformity of one or more bones. Before you use Etidronate, you must tell your doctor if you have any allergies or any of the following health issues: soft bones, low calcium levels, or if you have a hard time swallowing. Besides, you need to make sure that you’re not taking drugs that might interfere with Etidronate. You should not use this drug if you are pregnant or breastfeeding without consulting your doctor first. Bear in mind that you should take this medication on an empty stomach. Plus, you must not lie down for at least thirty minutes after taking it. When it comes to the side effects of Etidroante, they include upset stomach and diarrhea. There are also other side effects that are more serious, and therefore should be reported to the doctor, such as heartburn, sore throat, chest pain, or unbearable muscle/joint pain.