 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST]  have any serious side effects, including: fainting, constipation, unusual tiredness, mental/mood changes (such as confusion), purplish spots on the skin, skin ulcers/lesions. Teriparatide has been shown to increase bone cancer (osteosarcoma) in rats. It is unknown if this medication can cause bone cancer in humans. Tell your doctor right away if you have any symptoms of bone cancer, including: bone pain, unusual growths/lumps. 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- </s>