Methadone and torsade de pointes Patient Reports February 12, 2012



Methadone Side Effects Report #5951087-6
Methadone side effect was reported by a Pharmacist from UNITED STATES on Nov 12, 2008. Female patient, 55 years of age, weighting 105.8 lb, was diagnosed with pain What is  pain and was treated with Methadone. After drug was administered, patient experienced the following side effects: electrocardiogram qt prolonged, syncope, torsade de pointes, unresponsive to stimuli, ventricular tachycardia. Methadone dosage: 40MG TID PO. Patient was hospitalized. Patient recovered.

Methadone Side Effects Report #4988011-9
Methadone side effect was reported by a Health Professional from NORWAY on Apr 13, 2006. Male patient, 49 years of age, was diagnosed with dependence and was treated with Methadone. After drug was administered, patient experienced the following side effects: agitation, blood potassium decreased, convulsion, loss of consciousness, syncope, torsade de pointes, ventricular tachycardia. Methadone dosage: 185 MG DAILY. During the same period patient was treated with ANTIRETROVIRAL TREATMENT. Patient was hospitalized. Patient died.

Methadone Side Effects Report #4977418-1
Methadone side effect was reported by a Consumer or non-health professional from on Mar 30, 2006. Male patient, 42 years of age, was diagnosed with dependence and was treated with Methadone. After drug was administered, patient experienced the following side effects: blood magnesium decreased, blood potassium decreased, electrocardiogram qt corrected interval prolonged, electrocardiogram qt prolonged, syncope, torsade de pointes, urine analysis abnormal, ventricular fibrillation, ventricular tachycardia. Methadone dosage: 110 MG DAILY. During the same period patient was treated with BENZODIAZEPINES. Patient was hospitalized. Patient recovered.

Methadone Side Effects Report #4977417-X
Methadone side effect was reported by a Consumer or non-health professional from on Mar 30, 2006. Male patient, 29 years of age, was diagnosed with dependence and was treated with Methadone. After drug was administered, patient experienced the following side effects: blood magnesium increased, electrocardiogram qt corrected interval prolonged, electrocardiogram qt prolonged, syncope, torsade de pointes, urine analysis abnormal, ventricular dysfunction, ventricular fibrillation, ventricular tachycardia. Methadone dosage: }200 MG/DAY. During the same period patient was treated with ANTIEPILEPTICS. Patient was hospitalized. Patient recovered.


Methadone Side Effects Report #5729016-X
Methadone side effect was reported by a Health Professional from UNITED STATES on May 05, 2008. Male patient, weighting 177.9 lb, was diagnosed with dependence and was treated with Methadone. After drug was administered, patient experienced the following side effects: bradycardia, torsade de pointes, ventricular tachycardia. Methadone dosage: 124MG/DAY Q24HOURS PO (DURATION: LONG TERM). Patient was hospitalized. Patient recovered.

Methadone Side Effects Report #5095472-6
Methadone side effect was reported by a Pharmacist from UNITED STATES on Sept 01, 2006. Female patient, 29 years of age, weighting 115.7 lb, was diagnosed with arthralgia and was treated with Methadone. After drug was administered, patient experienced the following side effects: depression What is  depression, dizziness What is  dizziness, loss of consciousness, pallor, torsade de pointes, ventricular fibrillation, weight decreased. Methadone dosage: 350 MG DAILY PO [YEARS]. Patient was hospitalized. Patient recovered.

Methadone Side Effects Report #4991254-1
Methadone side effect was reported by a Physician from UNITED STATES on Feb 06, 2006. Female patient, 78 years of age, was treated with Methadone. After drug was administered, patient experienced the following side effects: electrocardiogram qt prolonged, torsade de pointes. Methadone dosage: unknown. Patient died.

Methadone Side Effects Report #5283486-2
Methadone side effect was reported by a Pharmacist from UNITED STATES on Mar 28, 2007. Male patient, 63 years of age, weighting 170.0 lb, was treated with Methadone. After drug was administered, patient experienced the following side effects: atrial fibrillation What is  atrial fibrillation, cardio-respiratory arrest, torsade de pointes, treatment noncompliance. Methadone dosage: 80MG QAM PO. During the same period patient was treated with ZOLOFT. Patient recovered.

Methadone Side Effects Report #5268342-8
Methadone side effect was reported by a Pharmacist from UNITED STATES on Mar 15, 2007. Male patient, 56 years of age, was treated with Methadone. After drug was administered, patient experienced the following side effects: cervical vertebral fracture, fall What is  fall, injury, syncope, torsade de pointes. Methadone dosage: 110 MG DAILY PO. Patient recovered.


Methadone Side Effects Report #4590997-1
Methadone side effect was reported by a Pharmacist from on Feb 22, 2005. Female patient, 56 years of age, weighting 143.3 lb, was treated with Methadone. After drug was administered, patient experienced the following side effects: syncope, torsade de pointes. Methadone dosage: 100MG DAILY ORAL. Patient was hospitalized. Patient recovered.

Methadone Side Effects Report #4799718-0
Methadone side effect was reported by a Pharmacist from UNITED STATES on Oct 06, 2005. Male patient, 56 years of age, weighting 164.5 lb, was diagnosed with aspergillosis, meningitis What is  meningitis and was treated with Methadone. After drug was administered, patient experienced the following side effects: electrocardiogram qt prolonged, syncope, torsade de pointes, ventricular arrhythmia. Methadone dosage: 125 MG PO DAY. During the same period patient was treated with VORICONAZOLE. Patient was hospitalized. Patient recovered.

Methadone Side Effects Report #4991266-8
Methadone side effect was reported by a Physician from UNITED STATES on Feb 06, 2006. Female patient, 55 years of age, was treated with Methadone. After drug was administered, patient experienced the following side effects: electrocardiogram qt prolonged, torsade de pointes. Methadone dosage: 270 MG, QD, ORAL. During the same period patient was treated with ONDANSETRON. Patient recovered.

Methadone Side Effects Report #5317252-6
Methadone side effect was reported by a Consumer or non-health professional from on Apr 27, 2007. Female patient, 52 years of age, was treated with Methadone. After drug was administered, patient experienced the following side effects: alpha haemolytic streptococcal infection, dizziness What is  dizziness, electrocardiogram qt prolonged, nausea What is  nausea, pulse absent, pyrexia, syncope, torsade de pointes, ventricular extrasystoles. Methadone dosage: 145 MG QD. During the same period patient was treated with ACYCLOVIR, ZIDOVUDINE, LAMIVUDINE, AMOXICILLIN, RANITIDINE, ALPRAZOLAM. Patient was hospitalized. Patient recovered.

Methadone Side Effects Report #4990876-1
Methadone side effect was reported by a Physician from UNITED STATES on Feb 06, 2006. Male patient, 52 years of age, was treated with Methadone. After drug was administered, patient experienced the following side effects: electrocardiogram qt prolonged, torsade de pointes. Methadone dosage: 550 MG QD. Patient recovered.


Methadone Side Effects Report #4991135-3
Methadone side effect was reported by a Physician from UNITED STATES on Feb 06, 2006. Female patient, 52 years of age, was treated with Methadone. After drug was administered, patient experienced the following side effects: electrocardiogram qt prolonged, torsade de pointes. Methadone dosage: 650 MG, QD, ORAL. During the same period patient was treated with DOMPERIDONE. Patient recovered.

Methadone Side Effects Report #4990875-X
Methadone side effect was reported by a Physician from UNITED STATES on Feb 06, 2006. Female patient, 51 years of age, was treated with Methadone. After drug was administered, patient experienced the following side effects: blood potassium decreased, torsade de pointes. Methadone dosage: 90 MG QD. Patient recovered.

Methadone Side Effects Report #5372809-1
Methadone side effect was reported by a Consumer or non-health professional from UNITED STATES on June 11, 2007. Female patient, 50 years of age, was treated with Methadone. After drug was administered, patient experienced the following side effects: blood magnesium decreased, blood potassium decreased, hyperhidrosis, loss of consciousness, torsade de pointes, tremor. Methadone dosage: 145-30MG (TAPERED BY 10% DAILY) --. During the same period patient was treated with ALPRAZOLAM, ZIDOVUDINE, TRAZODONE, TENOFOVIR, LAMIVUDINE, ABACAVIR. Patient was hospitalized. Patient recovered.

Methadone Side Effects Report #5066265-0
Methadone side effect was reported by a Health Professional from UNITED STATES on July 31, 2006. Female patient, 50 years of age, weighting 108.0 lb, was treated with Methadone. After drug was administered, patient experienced the following side effects: loss of consciousness, respiratory arrest, torsade de pointes. Methadone dosage: 85 MG DAILY ORAL. Patient was hospitalized. Patient recovered.

Methadone Side Effects Report #4991131-6
Methadone side effect was reported by a Physician from UNITED STATES on Feb 06, 2006. Male patient, 50 years of age, was treated with Methadone. After drug was administered, patient experienced the following side effects: electrocardiogram qt prolonged, torsade de pointes. Methadone dosage: unknown. Patient recovered.


Methadone Side Effects Report #4991102-X
Methadone side effect was reported by a Physician from UNITED STATES on Feb 06, 2006. Female patient, 48 years of age, was treated with Methadone. After drug was administered, patient experienced the following side effects: electrocardiogram qt prolonged, torsade de pointes. Methadone dosage: unknown. During the same period patient was treated with AZITHROMYCIN, DROPERIDOL. Patient recovered.

Methadone Side Effects Report #4991346-7
Methadone side effect was reported by a Physician from UNITED STATES on Feb 06, 2006. Female patient, 48 years of age, was treated with Methadone. After drug was administered, patient experienced the following side effects: electrocardiogram qt prolonged, torsade de pointes. Methadone dosage: 1100 MG, QD, ORAL. Patient recovered.

Methadone Side Effects Report #6102772-7
Methadone side effect was reported by a Consumer or non-health professional from on Feb 24, 2009. Female patient, 47 years of age, was diagnosed with bronchopulmonary aspergillosis, ventricular tachycardia and was treated with Methadone. After drug was administered, patient experienced the following side effects: bronchopulmonary aspergillosis, electrocardiogram qt prolonged, pneumothorax, torsade de pointes, ventricular tachycardia. Methadone dosage: 230MG. During the same period patient was treated with EFAVIRENZ, EMTRICITABINE, VORICONAZOLE, RALTEGRAVIR, AMIODARONE, ISOPROTERENOL, BUPRENORPHINE. Patient was hospitalized. Patient recovered.

Methadone Side Effects Report #4991321-2
Methadone side effect was reported by a Physician from UNITED STATES on Feb 06, 2006. Female patient, 47 years of age, was treated with Methadone. After drug was administered, patient experienced the following side effects: electrocardiogram qt prolonged, myocardial infarction, torsade de pointes. Methadone dosage: unknown. During the same period patient was treated with AZITHROMYCIN, DROPERIDOL. Patient died.

Methadone Side Effects Report #4991355-8
Methadone side effect was reported by a Physician from UNITED STATES on Feb 06, 2006. Female patient, 44 years of age, was treated with Methadone. After drug was administered, patient experienced the following side effects: electrocardiogram qt prolonged, torsade de pointes. Methadone dosage: unknown. Patient recovered.


Methadone Side Effects Report #4991361-3
Methadone side effect was reported by a Physician from UNITED STATES on Feb 06, 2006. Male patient, 44 years of age, was treated with Methadone. After drug was administered, patient experienced the following side effects: electrocardiogram qt prolonged, torsade de pointes. Methadone dosage: 75 MG, QD, ORAL. Patient recovered.

Methadone Side Effects Report #4716915-0
Methadone side effect was reported by a Consumer or non-health professional from UNITED STATES on June 30, 2005. Male patient, 42 years of age, was treated with Methadone. After drug was administered, patient experienced the following side effects: electrocardiogram qt prolonged, face injury, fall What is  fall, heart rate decreased, loss of consciousness, syncope, tonic clonic movements, torsade de pointes. Methadone dosage: 450 MG/DAY (NR), NR. During the same period patient was treated with FLUVOXAMINE MALEATE. Patient was hospitalized. Patient recovered.

Methadone Side Effects Report #4991133-X
Methadone side effect was reported by a Physician from UNITED STATES on Feb 06, 2006. Female patient, 42 years of age, was treated with Methadone. After drug was administered, patient experienced the following side effects: electrocardiogram qt prolonged, torsade de pointes. Methadone dosage: 840 MG, QD, ORAL. Patient recovered.

Methadone Side Effects Report #4991137-7
Methadone side effect was reported by a Physician from UNITED STATES on Feb 06, 2006. Female patient, 42 years of age, was treated with Methadone. After drug was administered, patient experienced the following side effects: electrocardiogram qt prolonged, torsade de pointes. Methadone dosage: 500 MG, QD, ORAL. Patient recovered.

Methadone Side Effects Report #4991341-8
Methadone side effect was reported by a Physician from UNITED STATES on Feb 06, 2006. Female patient, 42 years of age, was treated with Methadone. After drug was administered, patient experienced the following side effects: electrocardiogram qt prolonged, torsade de pointes. Methadone dosage: 800 MG, QD, ORAL. Patient recovered.


Methadone Side Effects Report #4991317-0
Methadone side effect was reported by a Physician from UNITED STATES on Feb 06, 2006. Female patient, 41 years of age, was treated with Methadone. After drug was administered, patient experienced the following side effects: blood magnesium decreased, electrocardiogram qt prolonged, torsade de pointes. Methadone dosage: unknown. During the same period patient was treated with LEVOMETHADYL. Patient recovered.

Methadone Side Effects Report #5724040-5
Methadone side effect was reported by a Consumer or non-health professional from on Apr 24, 2008. Female patient, 40 years of age, was diagnosed with hypertension, torsade de pointes and was treated with Methadone. After drug was administered, patient experienced the following side effects: convulsion, electrocardiogram qt prolonged, extrasystoles, loss of consciousness, pulse absent, torsade de pointes, tremor, vomiting. Methadone dosage: unknown. During the same period patient was treated with METOPROLOL TARTRATE, MAGNESIUM SULPHATE, LIDOCAINE, POTASSIUM CHLORIDE. Patient was hospitalized. Patient recovered.

Methadone Side Effects Report #4991324-8
Methadone side effect was reported by a Physician from UNITED STATES on Feb 06, 2006. Female patient, 40 years of age, was treated with Methadone. After drug was administered, patient experienced the following side effects: blood magnesium decreased, electrocardiogram qt prolonged, torsade de pointes. Methadone dosage: 100 MG, QD, ORAL. Patient recovered.

Methadone Side Effects Report #4977434-X
Methadone side effect was reported by a Consumer or non-health professional from on Mar 30, 2006. Male patient, 39 years of age, was diagnosed with anxiety disorder, tachycardia and was treated with Methadone. After drug was administered, patient experienced the following side effects: bradycardia, electrocardiogram qt prolonged, sinus tachycardia, syncope, torsade de pointes. Methadone dosage: 120 MG DAILY. During the same period patient was treated with DOXEPIN, METOPROLOL SUCCINATE. Patient was hospitalized. Patient recovered.

Methadone Side Effects Report #4991354-6
Methadone side effect was reported by a Physician from UNITED STATES on Feb 06, 2006. Female patient, 39 years of age, was treated with Methadone. After drug was administered, patient experienced the following side effects: electrocardiogram qt prolonged, torsade de pointes. Methadone dosage: unknown. Patient recovered.


Methadone Side Effects Report #4991363-7
Methadone side effect was reported by a Physician from UNITED STATES on Feb 06, 2006. Female patient, 39 years of age, was treated with Methadone. After drug was administered, patient experienced the following side effects: electrocardiogram qt prolonged, torsade de pointes. Methadone dosage: 90 MG, QD, ORAL. During the same period patient was treated with LEVOMETHADYL. Patient recovered.

Methadone Side Effects Report #4977416-8
Methadone side effect was reported by a Consumer or non-health professional from on Mar 30, 2006. Male patient, 38 years of age, was treated with Methadone. After drug was administered, patient experienced the following side effects: blood potassium decreased, electrocardiogram qt prolonged, syncope, torsade de pointes, toxicologic test abnormal, ventricular fibrillation. Methadone dosage: 200 MG DAILY. During the same period patient was treated with CANNABIS, BENZODIAZEPINES. Patient was hospitalized. Patient recovered.

Methadone Side Effects Report #4991359-5
Methadone side effect was reported by a Physician from UNITED STATES on Feb 06, 2006. Male patient, 38 years of age, was treated with Methadone. After drug was administered, patient experienced the following side effects: electrocardiogram qt prolonged, torsade de pointes. Methadone dosage: 110 MG, QD, ORAL. Patient recovered.

Methadone Side Effects Report #5867867-1
Methadone side effect was reported by a Consumer or non-health professional from on Aug 26, 2008. Male patient, 37 years of age, was diagnosed with hiv infection What is  hiv infection and was treated with Methadone. After drug was administered, patient experienced the following side effects: electrocardiogram qt prolonged, hypokalaemia, syncope, torsade de pointes, ventricular tachycardia. Methadone dosage: unknown. During the same period patient was treated with DIAZEPAM, FLURAZEPAM, ATAZANAVIR, RITONAVIR, ABACAVIR, LAMIVUDINE. Patient was hospitalized. Patient recovered.

Methadone Side Effects Report #4746706-6
Methadone side effect was reported by a Health Professional from UNITED STATES on Aug 16, 2005. Female patient, 37 years of age, weighting 97.44 lb, was diagnosed with ventricular tachycardia and was treated with Methadone. After drug was administered, patient experienced the following side effects: chest pain What is  chest pain, electrocardiogram qt prolonged, loss of consciousness, torsade de pointes, ventricular extrasystoles, ventricular tachycardia. Methadone dosage: 180 MG PO DAILY [CHRONIC MAINTENANCE TREATMENT]. During the same period patient was treated with AMIONDARONE. Patient was hospitalized. Patient recovered.


Methadone Side Effects Report #4991319-4
Methadone side effect was reported by a Physician from UNITED STATES on Feb 06, 2006. Female patient, 35 years of age, was treated with Methadone. After drug was administered, patient experienced the following side effects: electrocardiogram qt prolonged, torsade de pointes. Methadone dosage: 360 MG, QD, ORAL. Patient recovered.

Methadone Side Effects Report #4991251-6
Methadone side effect was reported by a Physician from UNITED STATES on Feb 06, 2006. Female patient, 30 years of age, was treated with Methadone. After drug was administered, patient experienced the following side effects: electrocardiogram qt prolonged, torsade de pointes. Methadone dosage: unknown. Patient recovered.

Methadone Side Effects Report #5006827-X
Methadone side effect was reported by a Physician from SPAIN on May 03, 2006. Male patient, 29 years of age, was diagnosed with hiv infection What is  hiv infection and was treated with Methadone. After drug was administered, patient experienced the following side effects: electrocardiogram qt prolonged, incorrect dose administered, syncope, torsade de pointes, urine analysis abnormal, ventricular dysfunction, ventricular tachycardia. Methadone dosage: }200MG, QD. During the same period patient was treated with ANTIVIRALS NOS, GABAPENTIN. Patient was hospitalized. Patient recovered.

Methadone Side Effects Report #4991360-1
Methadone side effect was reported by a Physician from UNITED STATES on Feb 06, 2006. Female patient, 26 years of age, was treated with Methadone. After drug was administered, patient experienced the following side effects: electrocardiogram qt prolonged, torsade de pointes. Methadone dosage: 240 MG, QD, INTRAVENOUS. During the same period patient was treated with ONDANSETRON, TACROLIMUS. Patient recovered.

Methadone Side Effects Report #5241637-X
Methadone side effect was reported by a Pharmacist from UNITED STATES on Feb 15, 2007. Male patient, weighting 224.9 lb, was treated with Methadone. After drug was administered, patient experienced the following side effects: bradycardia, delirium, electrocardiogram qt prolonged, lethargy, pyrexia, torsade de pointes. Methadone dosage: 40-60 MG PRN PO. During the same period patient was treated with XANAX. Patient recovered.

Methadone Side Effects Report #4990871-2
Methadone side effect was reported by a Physician from UNITED STATES on Feb 06, 2006. Male patient was treated with Methadone. After drug was administered, patient experienced the following side effects: electrocardiogram qt prolonged, torsade de pointes. Methadone dosage: 420 MG QD ORAL. Patient recovered.

Methadone Side Effects Report #4991314-5
Methadone side effect was reported by a Physician from UNITED STATES on Feb 06, 2006. Female patient was treated with Methadone. After drug was administered, patient experienced the following side effects: blood magnesium decreased, blood potassium decreased, cardiomyopathy What is  cardiomyopathy, electrocardiogram qt prolonged, torsade de pointes. Methadone dosage: 583 MG, QD, ORAL. Patient recovered.
SideEffects101.com does not provide medical advice, diagnosis or treatment. The material on this site is for informational purposes only, and is not a substitute for medical advice, diagnosis or treatment provided by a qualified health care provider. Thank you for visiting SideEffects101.com and reading about

side effects of Methadone