Critcal Seriouosness - A Spasm of the Larynx - Laryngismus is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Abnormal Heart Electrical Signals - Abnormal ECG is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Abnormal Heart Rhythm - Conduction Disorder of the Heart is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Abnormal Increase in Muscle Tone - Hypertonia is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Abnormal Liver Function Tests - Abnormal Hepatic Function Tests is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Abnormally Low Blood Pressure - Hypotension is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Acquired Decrease of All Cells in the Blood - Pancytopenia is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Acute Kidney Disease - Acute Renal Disease is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Acute Liver Failure - Acute Hepatic Failure is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Allergic Reaction caused by a Drug - Hypersensitivity Drug Reactions is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Allergic Reaction causing Serum Sickness - Serum Sickness is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Anemia is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Anxious - Anxiety is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Asthma - Bronchial Asthma is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Atrial Fibrillation is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Bronchospasm - Bronchospastic Pulmonary Disease is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Change in Pulse - Pulse Changes is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Chest Pain is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Collapsed Portion of Lung - Atelectasis is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Complete Stoppage of the Heart - Cardiac Arrest is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Confused - Impaired Cognition is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Decreased Blood Platelets - Thrombocytopenic Disorder is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Decreased White Blood Cells - Leukopenia is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Deficiency of Granulocytes a Type of White Blood Cell - Agranulocytosis is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Depression is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Fast Heartbeat - Tachyarrhythmia is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Feeling Faint - Fainting is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Fit - Tonic Clonic Seizure is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Fluid Retention in the Legs, Feet, Arms or Hands - Peripheral Edema is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Fluid in the Lungs - Pulmonary Edema is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Giant Hives - Angioedema is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Hallucination - Hallucinations is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Hepatitis is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Hives - Urticaria is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Increased Eosinophils in the Blood - Eosinophilia is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Increased Spinal Fluid Pressure - Increased Cerebrospinal Fluid Pressure is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Inflammation in Lungs caused by Allergic Reaction - Hypersensitivity Pneumonitis is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Inflammation of Skin caused by an Allergy - Allergic Dermatitis is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Inflammation of the Liver with Stoppage of Bile Flow - Cholestatic Hepatitis is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Inflammation of the Tendon - Tendonitis is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Inflammation or Infection of Vagina - Vaginitis is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Interstitial Nephritis is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Itching - Pruritus of Skin is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Life Threatening Allergic Reaction - Anaphylaxis is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Liver Problems - Disease of Liver is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Low Blood Counts due to Bone Marrow Failure - Aplastic Anemia is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Lung Failure causing Loss of Breath - Respiratory Insufficiency is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Nerve Function Blockage that Affects Normal Muscle Action - Neuromuscular Blockade is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Numbness, Tingling or Pain of Hands or Feet - Peripheral Neuropathy is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Painful, Red or Swollen Mouth - Stomatitis is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Prolonged Q-T Interval on EKG - Prolonged QT Interval is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Puffy Face from Water Retention - Facial Edema is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Rapid Ventricular Heartbeat - Ventricular Tachycardia is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Rash - Skin Rash is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Reaction due to an Allergy - Allergic Reactions is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Rupture of Tendons that Extend the Hand and Wrist - Tendon Rupture Extensor of Hand and Wrist is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Rupture of Tendons that Flex the Hand and Wrist - Tendon Rupture Flexor of Hand and Wrist is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Rupture of a Tendon - Tendon Rupture is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Rupture of a Tendon in the Shoulder Area - Rotator Cuff Tendon Rupture is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Rupture of the Tendon in the Back of the Heel - Non-traumatic Rupture of Achilles Tendon is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Seizures - Seizure Disorder is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Severe Bloody Diarrhea from Antibiotics - Pseudomembranous Enterocolitis is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Shock is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Significant Decrease in Lung Function - Respiratory Depression is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Slow Heartbeat - Bradycardia is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Stevens-Johnson Syndrome is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Throat Swelling - Pharyngeal Edema is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Thrombotic Thrombocytopenic Purpura is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Throwing Up - Vomiting is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Thrush - Oral Candidiasis is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Toxic Epidermal Necrolysis is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Trouble Breathing - Dyspnea is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Very Rapid Heartbeat - Torsades de Pointes - Torsades de Pointes is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Vocal Cord Swelling - Laryngeal Edema is a Life Threatening Side Effect of Methadone and Avelox combined Critcal Seriouosness - Yellowing of Skin or Eyes from Bile Flow Problems - Obstructive Hyperbilirubinemia is a Life Threatening Side Effect of Methadone and Avelox combined |