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Methadone Cardio-respiratory Arrest Side Effects

Methadone Cardio-respiratory Arrest Side Effect Reports


The following Methadone Cardio-respiratory Arrest side effect reports were submitted by healthcare professionals and consumers.

This information will help you understand how side effects, such as Cardio-respiratory Arrest, can occur, and what you can do about them.

A side effect could appear soon after you start Methadone or it might take time to develop.



Completed Suicide, Cardio-respiratory Arrest, Exposure Via Ingestion

This Cardio-respiratory Arrest side effect was reported by a health professional from US. A 53-year-old female patient (weight:NA) experienced the following symptoms/conditions: NA. The patient was prescribed Methadone (dosage: NA), which was started on NS. Concurrently used drugs:
  • Amitriptyline
  • Clonazepam
  • Metformin Hydrochloride
  • Bupropion
When starting to take Methadone the consumer reported the following symptoms:
  • Completed Suicide
  • Cardio-respiratory Arrest
  • Exposure Via Ingestion
These side effects may potentially be related to Methadone.
Brain Injury, Rhabdomyolysis, Multi-organ Failure, Cardio-respiratory Arrest, Coma

This Cardio-respiratory Arrest Methadone side effect was reported by a physician from US on Sep 23, 2013. A male , 23 years of age, was treated with Methadone. The patient presented the following health conditions:
  • Brain Injury
  • Rhabdomyolysis
  • Multi-organ Failure
  • Cardio-respiratory Arrest
  • Coma
. Methadone dosage: 40 Mg, Single. Additional drugs used at the same time:
  • Alprazolam (3 Mg, Single)
  • Cannabis (Unk)
Cardio-respiratory Arrest

This is a Methadone Hydrochloride side effect report of a 41-year-old patient (weight:NA) from US, suffering from the following symptoms/conditions: NA, who was treated with Methadone Hydrochloride (dosage:Unk / Unk / Oral?unk, start time: NS), combined with:
  • Dextromethorphan (Unk / Unk / Oral?unk)
  • Paroxetine Hydrochloride (Unk / Unk / Oral?unk)
  • Promethazine (Unk / Unk / Oral?unk)
, and developed a serious reaction and a Cardio-respiratory Arrest side effect. The patient presented with:
  • Cardio-respiratory Arrest
which developed after the beginning of treatment. This side effect report can indicate a possible existence of increased vulnerability to Methadone Hydrochloride treatment in patients suffering from NA, resulting in Cardio-respiratory Arrest.

Completed Suicide, Cardio-respiratory Arrest

A 15-year-old female patient (weight: NA) from US with the following symptoms: NA started Methadone Hydrochloride treatment (dosage: Unk / Unk / Oral?unk) on NS. Soon after starting Methadone Hydrochloride treatment, the consumer experienced several side effects, including:
  • Completed Suicide
  • Cardio-respiratory Arrest
. Concurrently used drugs:
  • Ondansetron Hydrochloride (Unk / Unk / Oral?unk)
  • Thyroxine Sodium (Unk / Unk / Oral?unk)
  • Ibuprofen (Unk / Unk / Oral?unk)
  • Baclofen (Unk / Unk / Oral?unk)
  • Sertraline (Unk / Unk / Oral?unk)
  • Hydrocodone + Paracetamol (Unk / Unk / Oral?unk)
This finding indicates that some patients can be more vulnerable to developing Methadone Hydrochloride side effects, such as Cardio-respiratory Arrest.
Completed Suicide, Cardio-respiratory Arrest

A patient from US was prescribed and started Methadone on Jan 28, 2013. Patient felt the following Methadone side effects: completed suicide, cardio-respiratory arrest Additional patient health information: male , 37 years of age, The consumer reported the following symptoms: . Methadone dosage: NA. Concurrently used drugs:
  • Caffeine
  • Lorazepam
  • Citalopram
  • Cotinine
Cardio-respiratory Arrest, Pulmonary Haemorrhage, Pulseless Electrical Activity, Ventricular Tachycardia, Hyperglycaemia, Brain Oedema, Hypotension, Basal Ganglia Infarction

This report suggests a potential Methadone Cardio-respiratory Arrest side effect(s) that can have serious consequences. A 6-year-old patient from COUNTRY NOT SPECIFIED (weight:NA) was diagnosed with the following health condition(s): NA and used Methadone (dosage: NA) starting NS. Soon after starting Methadone the patient began experiencing various side effects, including:
  • Cardio-respiratory Arrest
  • Pulmonary Haemorrhage
  • Pulseless Electrical Activity
  • Ventricular Tachycardia
  • Hyperglycaemia
  • Brain Oedema
  • Hypotension
  • Basal Ganglia Infarction
Drugs used concurrently:NA. Although Methadone demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Cardio-respiratory Arrest, may still occur.
Serotonin Syndrome, Grand Mal Convulsion, Leukocytosis, Cardio-respiratory Arrest, Agitation, Overdose, Hypokalaemia

An adverse event was reported by a health professional on May 22, 2012 by a Female taking Methadone Hcl (dosage: NA) . Location: DENMARK , 26 years of age, patient began experiencing various side effects, including: Directly after treatment started, patient experienced the unwanted or unexpected Methadone side effects: serotonin syndrome, grand mal convulsion, leukocytosis, cardio-respiratory arrest, agitation, overdose, hypokalaemia. Additional medications/treatments:
Associated medications used:
  • Valium
  • Escitalopram (10 Mg)
  • Escitalopram
The patient was hospitalized.
Cardio-respiratory Arrest

This Cardio-respiratory Arrest problem was reported by a health professional from UNITED STATES. A 33-year-old female patient (weight: NA) was diagnosed with the following medical condition(s): NA.On NS a consumer started treatment with Methadone Hcl (dosage: Oral). The following drugs/medications were being taken at the same time:
  • Paroxetine Hydrochloride (Oral)
  • Alprazolam (Oral)
When commencing Methadone Hcl, the patient experienced the following unwanted symptoms /side effects:
  • Cardio-respiratory Arrest
Although all drugs are carefully tested before they are licensed for use, they carry potential side effect risks. Some side effects, such as Cardio-respiratory Arrest, may become evident only after a product is in use by the general population.
Cardio-respiratory Arrest

This is a Methadone Hcl side effect report of a 43-year-old female patient (weight: NA) from UNITED STATES. The patient developed the following symptoms/conditions: NA and was treated with Methadone Hcl (dosage: Unk) starting NS. Concurrently used drugs:
  • Diazepam (Unk)
  • Tramadol Hcl (Unk)
Soon after that, the consumer experienced the following of symptoms:
  • Cardio-respiratory Arrest
This opens a possibility that Methadone Hcl could cause Cardio-respiratory Arrest and that some female patients may be more susceptible.
Bronchopneumonia, Toxicity To Various Agents, Hypoxic-ischaemic Encephalopathy, Cardio-respiratory Arrest, Enteritis

This Cardio-respiratory Arrest side effect was reported by a consumer or non-health professional from UNITED STATES on Jan 03, 2012. A female patient from UNITED STATES , 40 years of age, was treated with Methadone Hcl. Directly after treatment started, patient experienced the unwanted or unexpected Methadone side effects: bronchopneumonia, toxicity to various agents, hypoxic-ischaemic encephalopathy, cardio-respiratory arrest, enteritis. Methadone Hcl dosage: NA. These side effects may potentially be related to Methadone Hcl.
Toxicity To Various Agents, Cardio-respiratory Arrest, Hypoxic-ischaemic Encephalopathy

This Cardio-respiratory Arrest side effect was reported by a consumer or non-health professional from UNITED STATES. A 27-year-old patient (weight:NA) experienced the following symptoms/conditions: NA. The patient was prescribed Methadone Hcl (dosage: NA), which was started on NS. Concurrently used drugs: NA. When starting to take Methadone Hcl the consumer reported the following symptoms:
  • Toxicity To Various Agents
  • Cardio-respiratory Arrest
  • Hypoxic-ischaemic Encephalopathy
These side effects may potentially be related to Methadone Hcl.
Hypoxic-ischaemic Encephalopathy, Cardio-respiratory Arrest, Brain Herniation, Toxicity To Various Agents

This Cardio-respiratory Arrest Methadone Hcl side effect was reported by a consumer or non-health professional from UNITED STATES on Jan 03, 2012. A Female , 31 years of age, was treated with Methadone Hcl. The patient presented the following health conditions:
  • Hypoxic-ischaemic Encephalopathy
  • Cardio-respiratory Arrest
  • Brain Herniation
  • Toxicity To Various Agents
. Methadone Hcl dosage: NA. Additional drugs used at the same time: NA.
Cardio-respiratory Arrest, Toxicity To Various Agents

This is a Methadone Hcl side effect report of a 35-year-old female patient (weight:NA) from UNITED STATES, suffering from the following symptoms/conditions: NA, who was treated with Methadone Hcl (dosage:NA, start time: NS), combined with:
  • Cyclobenzaprine
  • Alprazolam
, and developed a serious reaction and a Cardio-respiratory Arrest side effect. The patient presented with:
  • Cardio-respiratory Arrest
  • Toxicity To Various Agents
which developed after the beginning of treatment. This side effect report can indicate a possible existence of increased vulnerability to Methadone Hcl treatment in female patients suffering from NA, resulting in Cardio-respiratory Arrest.
Cardio-respiratory Arrest

A 28-year-old patient (weight: NA) from UNITED STATES with the following symptoms: NA started Methadone Hcl treatment (dosage: Ingestion) on NS. Soon after starting Methadone Hcl treatment, the consumer experienced several side effects, including:
  • Cardio-respiratory Arrest
. Concurrently used drugs:
  • Hydrocodone Bitartrate And Acetaminophen (Ingestion)
  • Diazepam (Ingestion)
This finding indicates that some patients can be more vulnerable to developing Methadone Hcl side effects, such as Cardio-respiratory Arrest.
Completed Suicide, Cardio-respiratory Arrest

A patient from UNITED STATES was prescribed and started Methadone Hcl on Dec 29, 2011. After Methadone was administered, patient encountered several Methadone side effects: completed suicide, cardio-respiratory arrest Additional patient health information: male , 46 years of age, The consumer reported the following symptoms: . Methadone Hcl dosage: Ingestion. Concurrently used drugs:
  • Hydrocodone Bitartrate And Acetaminophen (Ingestion)
Cardio-respiratory Arrest, Toxicity To Various Agents

This report suggests a potential Methadone Hcl Cardio-respiratory Arrest side effect(s) that can have serious consequences. A 39-year-old patient from UNITED STATES (weight:NA) was diagnosed with the following health condition(s): NA and used Methadone Hcl (dosage: NA) starting NS. Soon after starting Methadone Hcl the patient began experiencing various side effects, including:
  • Cardio-respiratory Arrest
  • Toxicity To Various Agents
Drugs used concurrently:
  • Dextromethorphan
  • Morphine
  • Diazepam
  • Temazepam
  • Nordiazepam
Although Methadone Hcl demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Cardio-respiratory Arrest, may still occur.
Cardio-respiratory Arrest

An adverse event was reported by a physician on Dec 14, 2011 by a Female taking Methadone Hcl (dosage: NA) . Location: UNITED STATES , 30 years of age, patient began experiencing various side effects, including: Patient felt the following Methadone side effects: cardio-respiratory arrest. Additional medications/treatments:
Multiple prescriptions taken:
  • Alprazolam
Completed Suicide, Cardio-respiratory Arrest

This Cardio-respiratory Arrest problem was reported by a physician from UNITED STATES. A 31-year-old female patient (weight: NA) was diagnosed with the following medical condition(s): NA.On NS a consumer started treatment with Methadone Hcl (dosage: NA). The following drugs/medications were being taken at the same time:
  • Alprazolam
  • Opioids
When commencing Methadone Hcl, the patient experienced the following unwanted symptoms /side effects:
  • Completed Suicide
  • Cardio-respiratory Arrest
Although all drugs are carefully tested before they are licensed for use, they carry potential side effect risks. Some side effects, such as Cardio-respiratory Arrest, may become evident only after a product is in use by the general population.
Cardio-respiratory Arrest

This is a Methadone Hcl side effect report of a 28-year-old female patient (weight: NA) from UNITED STATES. The patient developed the following symptoms/conditions: NA and was treated with Methadone Hcl (dosage: NA) starting NS. Concurrently used drugs:
  • Alprazolam
Soon after that, the consumer experienced the following of symptoms:
  • Cardio-respiratory Arrest
This opens a possibility that Methadone Hcl could cause Cardio-respiratory Arrest and that some female patients may be more susceptible.
Respiratory Arrest, Toxicity To Various Agents, Cardio-respiratory Arrest, Cardiac Arrest

This Cardio-respiratory Arrest side effect was reported by a physician from UNITED STATES on Dec 14, 2011. A patient from UNITED STATES , 54 years of age, was treated with Methadone Hcl. Patient felt the following Methadone side effects: respiratory arrest, toxicity to various agents, cardio-respiratory arrest, cardiac arrest. Methadone Hcl dosage: NA.
Multiple prescriptions taken:
  • Cyclobenzaprine
  • Alprazolam
  • Sulindac
  • Duloxetime Hydrochloride
These side effects may potentially be related to Methadone Hcl.
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DISCLAIMER: ALL DATA PROVIDED AS-IS, refer to terms of use for additional information.

Methadone Cardio-respiratory Arrest Causes and Reviews


The heart has an internal electrical system that controls the rhythm of the heartbeat. Problems can cause abnormal heart rhythms, called arrhythmias. There are many types of arrhythmia. During an arrhythmia, the heart can beat too fast, too slow, or it can stop beating. Sudden cardiac arrest (SCA) occurs when the heart develops an arrhythmia that causes it to stop beating. This is different than a heart attack, where the heart usually continues to beat but blood flow to the heart is blocked.

There are many possible causes of SCA. They include coronary heart disease, physical stress, and some inherited disorders. Sometimes there is no known cause for the SCA.

Without medical attention, the person will die within a few minutes. People are less likely to die if they have early defibrillation. Defibrillation sends an electric shock to restore the heart rhythm to normal. You should give cardiopulmonary resuscitation (CPR) to a person having SCA until defibrillation can be done.

If you have had an SCA, an implantable cardiac defibrillator (ICD) reduces the chance of dying from a second SCA.

NIH: National Heart, Lung, and Blood Institute


Methadone Cardio-respiratory Arrest Reviews

Tue, 09 Feb 2010

good afternoon doc,my name dimasautisme,i comefrom indonesia ?
im Methadoners with 120 mg,im drink ARV to?please private my status?
i just want quesstion i want to detox,where i must go to hospital doc?
please help me :-D :)

Mon, 27 Dec 2010

I have been on Methadone for two years. Went fro
70 mgs a day to 20. I do for pain and I have been prescribed klonipin also recently for severe panic attacks and I read online that it's a deadly combo. I take my Methadone at 9 am. And have panic attacks around 10 pm every night before I sleep . Is this enough time apart to take them? Thank you

Thu, 31 Mar 2011
ive been takeing 90mls of Methadone for approxamitley 2 years on and off but properly this time for a total off 7 months i get servere sweating from taking my Methadone and feel very hot like im burning up and dripping with sweat why is this happening and what can i do and also im a type 2 diabetic and my Methadone is makeing my sugars drop really low what could be causing this and what can be done please help! thankyou katie .
Sat, 20 Aug 2011
Methodone Side Effects, I have had many trips to Emergency Unit at my Town, having tight painful heart problems. But when they do the Tests for Heart attacks, I jave always been told I have no problem my heart is fine. I have had ECG Tests, all fine. The only thing I can put it to ie: 250 milligrams of Methodone Tablet for Chronic Pain at the highest point was 50 x 5mg Tablest per day. I have had my leg amputated which I had the medication for. Can you confirm what I should be asking my GP, and what literature orResearch papers I can refer to. Thank you Geoff perry
DISCLAIMER: ALL DATA PROVIDED AS-IS, refer to terms of use for additional information.

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Top Methadone Side Effects

Toxicity To Various Agents (601)
Cardiac Arrest (334)
Respiratory Arrest (316)
Completed Suicide (256)
Overdose (197)
Death (147)
Electrocardiogram Qt Prolonged (142)
Torsade De Pointes (97)
Respiratory Depression (82)
Cardio-respiratory Arrest (73)
Somnolence (65)
Accidental Overdose (59)
Nausea (57)
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Loss Of Consciousness (54)
Vomiting (51)
Confusional State (47)
Pneumonia (40)
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Syncope (39)
Mental Status Changes (38)
Pain (37)
Fall (37)
Sedation (36)
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Dizziness (35)
Hypotension (31)
Convulsion (31)
Hyperhidrosis (31)
Malaise (30)
Depressed Level Of Consciousness (30)
Coma (29)
Unresponsive To Stimuli (27)
Intentional Overdose (27)
Constipation (27)
Feeling Abnormal (26)
Hypokalaemia (26)
Pulmonary Congestion (26)
Renal Failure Acute (26)
Ventricular Tachycardia (25)
Headache (25)
Fatigue (25)
Brain Oedema (25)
Lethargy (24)
Rhabdomyolysis (24)
Respiratory Failure (24)
Incorrect Dose Administered (23)
Bradycardia (23)
Accidental Poisoning (23)
Miosis (22)

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