[Alveolar hemorrhage und cocaine: cause or coincidence?].

We report the case of a previously healthy young man who presented to the hospital with hemoptysis and dyspnea. Hemoptysis is a frequently encountered symptom in daily routine and investigations can easily be deferred to a longer time frame. Our case illustrates the importance of a prompt investigation and treatment of underlying causes. Furthermore one should not hesitate to include rare, yet life threatening conditions in differential diagnosis.