Do not use FORSTEO • if you are allergic (hypersensitive) to teriparatide or any of the other ingredients of FORSTEO. • if you suffer from high calcium level (pre-existing hypercalcaemia). • if you suffer from serious kidney problems. • If you have ever been diagnosed with bone cancer or other cancers that have spread (metastasised) to your bones. • If you have certain bone diseases.