SIDE EFFECTS: Tiredness, weakness, headache, back pain, diarrhea, and nausea may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly. Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects. Tell your doctor right away if you have any serious side effects, including: jaw pain, new or unusual thigh/hip/groin pain, bone/joint/muscle pain, shortness of breath. Denosumab may cause very serious (rarely fatal) low levels of calcium in the blood, especially if you have kidney problems. Take calcium and vitamin D as directed by your doctor. (See also How to Use section.) Get medical help right away if you have any symptoms of low calcium such as: severe muscle spasms/cramps, mental/mood changes (such as irritability or confusion), numbness/tingling (especially around lips/mouth or in fingers/toes), seizures, severe dizziness/fainting, fast/irregular heartbeat. Denosumab can affect your immune system. You may be more likely to get a serious infection, such as a skin, ear, stomach/gut, or bladder infection. Tell your doctor right away if you develop any signs of infection, such as: fever/chills, red/swollen/tender/warm skin (with or without pus), severe abdominal pain, ear pain/discharge, trouble hearing, frequent/painful/burning urination, pink/bloody urine. Denosumab can cause skin problems such as dryness, peeling, redness, itching, small bumps/patches, or blisters. However, you may not be able to tell it apart from a rare rash that could be a sign of a severe allergic reaction. Therefore, get medical help right away if you develop any rash or if any of these symptoms persist or worsen. Denosumab may cause high levels of calcium in the blood weeks to months after treatment has stopped, especially if you have not reached your final adult height. Tell your doctor right away if you have any symptoms of high calcium after you have stopped using denosumab such as: nausea, vomiting, headache, unusual tiredness. After your treatment with denosumab is stopped, you may be at increased risk for bone fractures in your spine. This risk is greater if you have bone loss (osteoporosis) or have had broken bones. Do not stop using this medication without first talking with your doctor. A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing. This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist. In the US - Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch. In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

PRECAUTIONS: Before using denosumab, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details. Before using this medication, tell your doctor or pharmacist your medical history, especially of: low level of calcium in the blood (hypocalcemia), kidney disease. Some people using denosumab may have serious jawbone problems. Your doctor should check your mouth before you start this medication. Tell your dentist that you are using this medication before you have any dental work done. To help prevent jawbone problems, have regular dental exams and learn how to keep your teeth and gums healthy. If you have jaw pain, tell your doctor and dentist right away. Before having any surgery (especially dental procedures), tell your doctor and dentist about this medication and all other products you use (including prescription drugs, nonprescription drugs, and herbal products). Denosumab is not recommended for use in children except for the treatment of giant cell tumor of the bone (see also Uses section). It may slow down a child's growth and affect tooth development. This medication must not be used during pregnancy. It may harm an unborn baby. It is important to prevent pregnancy while using this medication and for at least 5 months after treatment. Therefore, females must use reliable forms of birth control during treatment and for at least 5 months after treatment. If you become pregnant or think you may be pregnant, tell your doctor right away. It is unknown if this medication passes into breast milk. Consult your doctor before breast-feeding.

DRUG INTERACTIONS: Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.

OVERDOSE: If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center.