I can tell you prolia® is proven to help protect bones from fracture. but the real proof? my doctor said prolia® helped my bones get stronger. are your bones getting stronger do not take prolia® if you have low blood calcium, are pregnant, are allergic to it, or take xgeva®. serious allergic reactions, such as low blood pressure; trouble breathing; throat tightness; face, lip, or tongue swelling; rash, itching or hives have happened in people taking prolia®. tell your doctor about dental problems, as severe jaw bone problems may happen, or new or unusual pain in your hip, groin or thigh, ...