Critical Seriousness - Bleeding from the Lungs - Pulmonary Hemorrhage is a Life Threatening Side Effect of Neupogen Critical Seriousness - Coughing Up Blood - Hemoptysis is a Life Threatening Side Effect of Neupogen Critical Seriousness - Enlarged Spleen - Hypersplenism is a Life Threatening Side Effect of Neupogen Critical Seriousness - Increase of White Blood Cells - Leukocytosis is a Life Threatening Side Effect of Neupogen Critical Seriousness - Inflammation of Blood Vessels in the Skin - Cutaneous Vasculitis is a Life Threatening Side Effect of Neupogen Critical Seriousness - Life Threatening Allergic Reaction - Anaphylaxis is a Life Threatening Side Effect of Neupogen Critical Seriousness - Reaction due to an Allergy - Allergic Reactions is a Life Threatening Side Effect of Neupogen Critical Seriousness - Rupture of the Spleen - Nontraumatic Splenic Rupture is a Life Threatening Side Effect of Neupogen Critical Seriousness - Signs and Symptoms at Injection Site - Injection Site Sequelae is a Life Threatening Side Effect of Neupogen Critical Seriousness - Supraventricular Cardiac Arrhythmia - Supraventricular Arrhythmias is a Life Threatening Side Effect of Neupogen Critical Seriousness - Sweet's Disease - Sweet's Syndrome is a Life Threatening Side Effect of Neupogen |