Critical Seriousness - A Spasm of the Larynx - Laryngismus is a Life Threatening Side Effect of Hydromorphone Critical Seriousness - Blocked Bowels with No Movement - Ileus is a Life Threatening Side Effect of Hydromorphone Critical Seriousness - Bronchospasm - Bronchospastic Pulmonary Disease is a Life Threatening Side Effect of Hydromorphone Critical Seriousness - Collapsed Portion of Lung - Atelectasis is a Life Threatening Side Effect of Hydromorphone Critical Seriousness - Confused - Impaired Cognition is a Life Threatening Side Effect of Hydromorphone Critical Seriousness - Depression is a Life Threatening Side Effect of Hydromorphone Critical Seriousness - Fast Heartbeat - Tachyarrhythmia is a Life Threatening Side Effect of Hydromorphone Critical Seriousness - Giant Hives - Angioedema is a Life Threatening Side Effect of Hydromorphone Critical Seriousness - Hallucination - Hallucinations is a Life Threatening Side Effect of Hydromorphone Critical Seriousness - High Pressure Within the Skull - Intracranial Hypertension is a Life Threatening Side Effect of Hydromorphone Critical Seriousness - Hives - Urticaria is a Life Threatening Side Effect of Hydromorphone Critical Seriousness - Inflammation of Skin caused by an Allergy - Allergic Dermatitis is a Life Threatening Side Effect of Hydromorphone Critical Seriousness - Involuntary Muscle Movements - Involuntary Muscle Movement is a Life Threatening Side Effect of Hydromorphone Critical Seriousness - Itching - Pruritus of Skin is a Life Threatening Side Effect of Hydromorphone Critical Seriousness - Rash - Skin Rash is a Life Threatening Side Effect of Hydromorphone Critical Seriousness - Reaction due to an Allergy - Allergic Reactions is a Life Threatening Side Effect of Hydromorphone Critical Seriousness - Significant Decrease in Lung Function - Respiratory Depression is a Life Threatening Side Effect of Hydromorphone Critical Seriousness - Slow Heartbeat - Bradycardia is a Life Threatening Side Effect of Hydromorphone |