Critical Seriousness - Abnormal Heart Rhythm - Conduction Disorder of the Heart is a Life Threatening Side Effect of Nicorette Critical Seriousness - Allergic Reaction caused by a Drug - Hypersensitivity Drug Reactions is a Life Threatening Side Effect of Nicorette Critical Seriousness - Atrial Fibrillation is a Life Threatening Side Effect of Nicorette Critical Seriousness - Fast Heartbeat - Tachyarrhythmia is a Life Threatening Side Effect of Nicorette Critical Seriousness - Giant Hives - Angioedema is a Life Threatening Side Effect of Nicorette Critical Seriousness - High Blood Pressure - Hypertension is a Life Threatening Side Effect of Nicorette Critical Seriousness - Hives - Urticaria is a Life Threatening Side Effect of Nicorette Critical Seriousness - Inflammation of Skin caused by an Allergy - Allergic Dermatitis is a Life Threatening Side Effect of Nicorette Critical Seriousness - Itching - Pruritus of Skin is a Life Threatening Side Effect of Nicorette Critical Seriousness - Mouth Irritation is a Life Threatening Side Effect of Nicorette Critical Seriousness - Rash - Skin Rash is a Life Threatening Side Effect of Nicorette Critical Seriousness - Reaction due to an Allergy - Allergic Reactions is a Life Threatening Side Effect of Nicorette Critical Seriousness - Redness of Skin - Erythema is a Life Threatening Side Effect of Nicorette |