Critical Seriousness - Abnormal Heart Rhythm - Conduction Disorder of the Heart is a Life Threatening Side Effect of Herceptin Critical Seriousness - Abnormally Low Blood Pressure - Hypotension is a Life Threatening Side Effect of Herceptin Critical Seriousness - Adult Respiratory Distress Syndrome is a Life Threatening Side Effect of Herceptin Critical Seriousness - Anemia is a Life Threatening Side Effect of Herceptin Critical Seriousness - Bronchospasm - Bronchospastic Pulmonary Disease is a Life Threatening Side Effect of Herceptin Critical Seriousness - Chills is a Life Threatening Side Effect of Herceptin Critical Seriousness - Chronic Heart Failure is a Life Threatening Side Effect of Herceptin Critical Seriousness - Decreased Blood Platelets - Thrombocytopenic Disorder is a Life Threatening Side Effect of Herceptin Critical Seriousness - Decreased Neutrophils a Type of White Blood Cell - Neutropenic Disorder is a Life Threatening Side Effect of Herceptin Critical Seriousness - Decreased Oxygen In The Tissues Or Blood - Hypoxia is a Life Threatening Side Effect of Herceptin Critical Seriousness - Decreased White Blood Cells - Leukopenia is a Life Threatening Side Effect of Herceptin Critical Seriousness - Disease of the Muscle of the Heart with Enlargement - Cardiomyopathy is a Life Threatening Side Effect of Herceptin Critical Seriousness - Dizzy - Dizziness is a Life Threatening Side Effect of Herceptin Critical Seriousness - Escape of Fluid into the Lungs - Pleural Effusions is a Life Threatening Side Effect of Herceptin Critical Seriousness - Failure of the Left Ventricle of the Heart - Left Ventricular Failure is a Life Threatening Side Effect of Herceptin Critical Seriousness - Fever is a Life Threatening Side Effect of Herceptin Critical Seriousness - Fluid in the Lungs - Pulmonary Edema is a Life Threatening Side Effect of Herceptin Critical Seriousness - Giant Hives - Angioedema is a Life Threatening Side Effect of Herceptin Critical Seriousness - Glomerulonephritis is a Life Threatening Side Effect of Herceptin Critical Seriousness - Head Pain - Headache Disorder is a Life Threatening Side Effect of Herceptin Critical Seriousness - Interstitial Pneumonitis is a Life Threatening Side Effect of Herceptin Critical Seriousness - Itching - Pruritus of Skin is a Life Threatening Side Effect of Herceptin Critical Seriousness - Life Threatening Allergic Reaction - Anaphylaxis is a Life Threatening Side Effect of Herceptin Critical Seriousness - Obstruction of a Blood Vessel by a Blood Clot - Thromboembolic Disorder is a Life Threatening Side Effect of Herceptin Critical Seriousness - Rash - Skin Rash is a Life Threatening Side Effect of Herceptin Critical Seriousness - Reaction due to an Allergy - Allergic Reactions is a Life Threatening Side Effect of Herceptin Critical Seriousness - Significant Decrease in Lung Function - Respiratory Depression is a Life Threatening Side Effect of Herceptin Critical Seriousness - Trouble Breathing - Dyspnea is a Life Threatening Side Effect of Herceptin Critical Seriousness - X-Ray Results showing Lung Tissue Changes - Pulmonary Infiltrates is a Life Threatening Side Effect of Herceptin |