Critical Seriousness - Abnormal Heart Rhythm - Conduction Disorder of the Heart is a Life Threatening Side Effect of Maxalt Critical Seriousness - Allergic Reaction caused by a Drug - Hypersensitivity Drug Reactions is a Life Threatening Side Effect of Maxalt Critical Seriousness - Angina is a Life Threatening Side Effect of Maxalt Critical Seriousness - Chest Pain is a Life Threatening Side Effect of Maxalt Critical Seriousness - Chest Tightness is a Life Threatening Side Effect of Maxalt Critical Seriousness - Fast Heartbeat - Tachyarrhythmia is a Life Threatening Side Effect of Maxalt Critical Seriousness - Giant Hives - Angioedema is a Life Threatening Side Effect of Maxalt Critical Seriousness - Heart Attack - Myocardial Infarction is a Life Threatening Side Effect of Maxalt Critical Seriousness - Heart Throbbing or Pounding - Palpitations is a Life Threatening Side Effect of Maxalt Critical Seriousness - Hemorrhage in the Brain - Cerebrovascular Hemorrhage is a Life Threatening Side Effect of Maxalt Critical Seriousness - Numbness and Tingling - Paresthesia is a Life Threatening Side Effect of Maxalt Critical Seriousness - Serotonin Syndrome - Adverse Drug Interaction - Serotonin Syndrome is a Life Threatening Side Effect of Maxalt Critical Seriousness - Slow Heartbeat - Bradycardia is a Life Threatening Side Effect of Maxalt Critical Seriousness - Stroke - Cerebrovascular Accident is a Life Threatening Side Effect of Maxalt Critical Seriousness - Toxic Epidermal Necrolysis is a Life Threatening Side Effect of Maxalt Critical Seriousness - Trouble Breathing - Dyspnea is a Life Threatening Side Effect of Maxalt Critical Seriousness - Wheezing is a Life Threatening Side Effect of Maxalt |