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Methadone Respiratory Failure Side Effects

Methadone Respiratory Failure Side Effect Reports


The following Methadone Respiratory Failure side effect reports were submitted by healthcare professionals and consumers.

This information will help you understand how side effects, such as Respiratory Failure, 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.



Respiratory Failure

This Respiratory Failure side effect was reported by a pharmacist from US. A 60-year-old patient (weight:NA) experienced the following symptoms/conditions: pain. The patient was prescribed Methadone (dosage: NA), which was started on Jun 01, 2013. Concurrently used drugs: NA. When starting to take Methadone the consumer reported the following symptoms:
  • Respiratory Failure
The patient was hospitalized. These side effects may potentially be related to Methadone.
Hypercapnia, Respiratory Failure, Somnolence, Confusional State

This Respiratory Failure Methadone side effect was reported by a pharmacist from US on Jul 16, 2013. A male , 60 years of age, was diagnosed with and was treated with Methadone. The patient presented the following health conditions:
  • Hypercapnia
  • Respiratory Failure
  • Somnolence
  • Confusional State
. Methadone dosage: NA. Additional drugs used at the same time: NA. The patient was hospitalized.
Multi-organ Failure, Herpes Simplex, Viral Sepsis, Shock, Metabolic Acidosis, Renal Failure Acute, Respiratory Failure, Neonatal Respiratory Distress Syndrome

This is a Methadone side effect report of a patient (weight:NA) from COUNTRY NOT SPECIFIED, suffering from the following symptoms/conditions: foetal exposure during pregnancy, who was treated with Methadone (dosage:NA, start time: NS), combined with:
  • Catapres
  • Clonazepam
  • Iron
, and developed a serious reaction and a Respiratory Failure side effect. The patient presented with:
  • Multi-organ Failure
  • Herpes Simplex
  • Viral Sepsis
  • Shock
  • Metabolic Acidosis
  • Renal Failure Acute
  • Respiratory Failure
  • Neonatal Respiratory Distress Syndrome
which developed after the beginning of treatment. This side effect report can indicate a possible existence of increased vulnerability to Methadone treatment in patients suffering from foetal exposure during pregnancy, resulting in Respiratory Failure.

Multi-organ Failure, Herpes Simplex, Viral Sepsis, Shock, Metabolic Acidosis, Renal Failure Acute, Respiratory Failure, Neonatal Respiratory Distress Syndrome

A patient (weight: NA) from COUNTRY NOT SPECIFIED with the following symptoms: foetal exposure during pregnancy started Methadone treatment (dosage: NA) on NS. Soon after starting Methadone treatment, the consumer experienced several side effects, including:
  • Multi-organ Failure
  • Herpes Simplex
  • Viral Sepsis
  • Shock
  • Metabolic Acidosis
  • Renal Failure Acute
  • Respiratory Failure
  • Neonatal Respiratory Distress Syndrome
. Concurrently used drugs:
  • Catapres
  • Clonazepam
  • Iron
This finding indicates that some patients can be more vulnerable to developing Methadone side effects, such as Respiratory Failure.
Pneumonia Aspiration, Constipation, Respiratory Failure, Accidental Overdose

A patient from US was prescribed and started Methadone on Apr 10, 2013. Patient felt the following Methadone side effects: pneumonia aspiration, constipation, respiratory failure, accidental overdose Additional patient health information: male , 69 years of age, weighting 194.0 lb, The consumer reported the following symptoms: . Methadone dosage: 10mg Prn Po. Concurrently used drugs:
  • Vitc
  • Asa
  • Caltrate
  • Coreg
  • Vitd
  • Senokot
  • Vytorin
  • Prozac
The patient was hospitalized.
Insomnia, Respiratory Failure, Oedema

This report suggests a potential Methadone Hcl Respiratory Failure side effect(s) that can have serious consequences. A patient from JAPAN (weight:NA) was diagnosed with the following health condition(s): NA and used Methadone Hcl (dosage: 25 Mg, Bid) starting Apr 24, 2012. Soon after starting Methadone Hcl the patient began experiencing various side effects, including:
  • Insomnia
  • Respiratory Failure
  • Oedema
Drugs used concurrently:
  • Rinderon /00008501/ (2 Mg, Qd)
  • Gasmotin (5 Mg, Tid)
  • Lyrica (75 Mg, Bid)
  • Magmitt (As Needed)
  • Teleminsoft (Unk, Prn)
The patient was hospitalized. Although Methadone Hcl demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Respiratory Failure, may still occur.
Respiratory Failure, Toxicity To Various Agents

An adverse event was reported by a consumer or non-health professional on Nov 04, 2010 by a Female taking Methadone Hydrochloride (dosage: 40 Mg) . Location: AUSTRALIA , 60 years of age, patient began experiencing various side effects, including: Directly after treatment started, patient experienced the unwanted or unexpected Methadone side effects: respiratory failure, toxicity to various agents. Additional medications/treatments:
Associated medications used:
  • Gabapentin
  • Topiramate
  • Erythromycin (2000 Mg)
The patient was hospitalized.
Pulmonary Oedema, Toxicity To Various Agents, Respiratory Failure, Circulatory Collapse

This Respiratory Failure problem was reported by a health professional from UNITED STATES. A 19-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:
  • Naloxone
When commencing Methadone Hcl, the patient experienced the following unwanted symptoms /side effects:
  • Pulmonary Oedema
  • Toxicity To Various Agents
  • Respiratory Failure
  • Circulatory Collapse
Although all drugs are carefully tested before they are licensed for use, they carry potential side effect risks. Some side effects, such as Respiratory Failure, may become evident only after a product is in use by the general population.
Circulatory Collapse, Subcutaneous Emphysema, Respiratory Failure, Pulmonary Oedema, Toxicity To Various Agents

This is a Methadone Hcl side effect report of a 16-year-old 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:
  • Naloxone
Soon after that, the consumer experienced the following of symptoms:
  • Circulatory Collapse
  • Subcutaneous Emphysema
  • Respiratory Failure
  • Pulmonary Oedema
  • Toxicity To Various Agents
This opens a possibility that Methadone Hcl could cause Respiratory Failure and that some patients may be more susceptible.
Respiratory Failure, Overdose

This Respiratory Failure side effect was reported by a consumer or non-health professional from UNITED STATES on Jan 03, 2012. A female patient from UNITED STATES , 52 years of age, was treated with Methadone Hcl. Directly after treatment started, patient experienced the unwanted or unexpected Methadone side effects: respiratory failure, overdose. Methadone Hcl dosage: NA. These side effects may potentially be related to Methadone Hcl.
Hypercapnia, Coma, Disturbance In Attention, Leukoencephalopathy, Hypoxia, Cognitive Disorder, Central Nervous System Lesion, Respiratory Failure, Unresponsive To Stimuli

This Respiratory Failure side effect was reported by a health professional from ITALY. A 49-year-old patient (weight:NA) experienced the following symptoms/conditions: NA. The patient was prescribed Methadone Hydrochloride (dosage: NA), which was started on NS. Concurrently used drugs:
  • Benzodiazepines
  • Alcohol
When starting to take Methadone Hydrochloride the consumer reported the following symptoms:
  • Hypercapnia
  • Coma
  • Disturbance In Attention
  • Leukoencephalopathy
  • Hypoxia
  • Cognitive Disorder
  • Central Nervous System Lesion
  • Respiratory Failure
  • Unresponsive To Stimuli
The patient was hospitalized. These side effects may potentially be related to Methadone Hydrochloride.
Hypercalcaemia, Neoplasm Malignant, Respiratory Failure

This Respiratory Failure Methadone Hydrochloride side effect was reported by a health professional from INDIA on Aug 13, 2011. A male , 40 years of age, was treated with Methadone Hydrochloride. The patient presented the following health conditions:
  • Hypercalcaemia
  • Neoplasm Malignant
  • Respiratory Failure
. Methadone Hydrochloride dosage: NA. Additional drugs used at the same time:
  • Ipilimumab (1df=26100.unit Not Specified)
  • Bromazepam
  • Gabapentin
The patient was hospitalized.
Respiratory Failure

This is a Methadone Hcl side effect report of a 56-year-old patient (weight:NA) from UNITED STATES, suffering from the following symptoms/conditions: NA, who was treated with Methadone Hcl (dosage:NA, start time: Feb 01, 2008), combined with:
  • Morphine
  • Esa
  • Revlimid (Revlimid 5mg Daily X21d/28d Orally)
  • Revlimid (Revlimid 5mg Daily X21d/28d Orally)
  • Oxycodone Hcl
, and developed a serious reaction and a Respiratory Failure side effect. The patient presented with:
  • Respiratory Failure
which developed after the beginning of treatment. This side effect report can indicate a possible existence of increased vulnerability to Methadone Hcl treatment in patients suffering from NA, resulting in Respiratory Failure.
Completed Suicide, Cardiac Arrest, Respiratory Failure

A 45-year-old female patient (weight: NA) from UNITED STATES with the following symptoms: NA started Methadone (no Pref. Name) treatment (dosage: Po) on NS. Soon after starting Methadone (no Pref. Name) treatment, the consumer experienced several side effects, including:
  • Completed Suicide
  • Cardiac Arrest
  • Respiratory Failure
. Concurrently used drugs:
  • Hydrocodone (no Pref. Name) (Po)
  • Oxycontin (Po)
This finding indicates that some patients can be more vulnerable to developing Methadone (no Pref. Name) side effects, such as Respiratory Failure.
Respiratory Failure, Respiratory Depression

A female patient from UNITED KINGDOM was prescribed and started Methadone on Mar 21, 2011. After Methadone was administered, patient encountered several Methadone side effects: respiratory failure, respiratory depression Additional patient health information: Female , 54 years of age, The consumer reported the following symptoms: was diagnosed with and. Methadone dosage: NA. Concurrently used drugs:
  • Fluoxetine
  • Symbicort
  • Loperamide
  • Spiriva
  • Fluconazole
Respiratory Depression, Respiratory Failure

This report suggests a potential Methadone Respiratory Failure side effect(s) that can have serious consequences. A 54-year-old female patient from UNITED KINGDOM (weight:NA) was diagnosed with the following health condition(s): pain,candidiasis and used Methadone (dosage: NA) starting Feb 22, 2011. Soon after starting Methadone the patient began experiencing various side effects, including:
  • Respiratory Depression
  • Respiratory Failure
Drugs used concurrently:
  • Fluconazole
Although Methadone demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Respiratory Failure, may still occur.
Respiratory Depression, Respiratory Failure

An adverse event was reported by a health professional on Mar 21, 2011 by a Female taking Methadone (dosage: 50 Mg, 2x/day) was diagnosed with and. Location: UNITED KINGDOM , 54 years of age, patient began experiencing various side effects, including: Patient felt the following Methadone side effects: respiratory depression, respiratory failure. Additional medications/treatments:
Multiple prescriptions taken:
  • Symbicort (2 Df, 2x/day)
  • Loperamide
  • Fluoxetine (20 Mg, Unk)
  • Spiriva (18 Ug, Unk)
  • Fluconazole (50 Mg, 1x/day)
Locked-in Syndrome, Overdose, Respiratory Failure, Toxic Encephalopathy

This Respiratory Failure problem was reported by a consumer or non-health professional from . A 49-year-old female patient (weight: NA) was diagnosed with the following medical condition(s): NA.On NS a consumer started treatment with Methadone (dosage: NA). The following drugs/medications were being taken at the same time: NA. When commencing Methadone, the patient experienced the following unwanted symptoms /side effects:
  • Locked-in Syndrome
  • Overdose
  • Respiratory Failure
  • Toxic Encephalopathy
The patient was hospitalized. Although all drugs are carefully tested before they are licensed for use, they carry potential side effect risks. Some side effects, such as Respiratory Failure, may become evident only after a product is in use by the general population.
Convulsion, Cyanosis, Depressed Level Of Consciousness, Endotracheal Intubation, Miosis, Overdose, Pruritus, Pyrexia, Respiratory Failure

This is a Methadone Hcl side effect report of a 4-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: NA. Soon after that, the consumer experienced the following of symptoms:
  • Convulsion
  • Cyanosis
  • Depressed Level Of Consciousness
  • Endotracheal Intubation
  • Miosis
  • Overdose
  • Pruritus
  • Pyrexia
  • Respiratory Failure
The patient was hospitalized. This opens a possibility that Methadone Hcl could cause Respiratory Failure and that some female patients may be more susceptible.
Respiratory Failure

This Respiratory Failure side effect was reported by a pharmacist from UNITED STATES on Aug 04, 2010. A patient from UNITED STATES , 60 years of age, was treated with Methadone Hcl. Patient felt the following Methadone side effects: respiratory failure. Methadone Hcl dosage: 5 Mg Every Day Po. The patient was hospitalized. These side effects may potentially be related to Methadone Hcl.

DISCLAIMER: ALL DATA PROVIDED AS-IS, refer to terms of use for additional information.

Methadone Respiratory Failure Causes and Reviews


Respiratory failure happens when not enough oxygen passes from your lungs into your blood. Your body's organs, such as your heart and brain, need oxygen-rich blood to work well. Respiratory failure also can happen if your lungs can't remove carbon dioxide (a waste gas) from your blood. Too much carbon dioxide in your blood can harm your body's organs.

Diseases and conditions that affect your breathing can cause respiratory failure. Examples include

  • Lung diseases such as COPD (chronic obstructive pulmonary disease), pneumonia, pulmonary embolism, and cystic fibrosis
  • Conditions that affect the nerves and muscles that control breathing, such as spinal cord injuries, muscular dystrophy and stroke
  • Damage to the tissues and ribs around the lungs. An injury to the chest can cause this damage.
  • Drug or alcohol overdose
  • Injuries from inhaling smoke or harmful fumes

Treatment for respiratory failure depends on whether the condition is acute (short-term) or chronic (ongoing) and how severe it is. It also depends on the underlying cause. You may receive oxygen therapy and other treatment to help you breathe.

NIH: National Heart, Lung, and Blood Institute


Methadone Respiratory Failure 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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