Methadone Disease Interactions

There are 16 disease interactions with methadone:

Narcotic Analgesics (Includes Methadone) ↔ Impaired Gi Motility

Severe Potential Hazard, High plausibility

Applies to: Inflammatory Bowel Disease, Constipation, Gastrointestinal Obstruction, Intestinal Anastomoses

Narcotic (opioid) analgesic agents increase smooth muscle tone in the gastrointestinal tract and decrease peristalsis, which can lead to elevated intraluminal pressure, spasm, and constipation following prolonged use. In patients with severe or acute inflammatory bowel disease, the decrease in colonic motility may induce toxic megacolon. Therapy with opioids should be administered cautiously in patients with gastrointestinal obstruction, constipation, inflammatory bowel disease, or recent gastrointestinal tract surgery. Gastrointestinal effects appear to be the most pronounced with morphine.

References

  1. White MJ, Berghausen EJ, Dumont SW, Tsueda K, Schroeder JA, Vogel RL, Heine MF, Huang KC "Side effects during continuous epidural infusion of morphine and fentanyl." Can J Anaesth 39 (1992): 576-82
  2. "Product Information. Vicoprofen (hydrocodone-ibuprofen)." Knoll Pharmaceutical Company, Whippany, NJ.
  3. "Product Information. MS Contin (morphine)." Purdue Frederick Company, Norwalk, CT.
View all 26 references

Narcotic Analgesics (Includes Methadone) ↔ Infectious Diarrhea

Severe Potential Hazard, High plausibility

Applies to: Infectious Diarrhea/Enterocolitis/Gastroenteritis

Narcotic (opioid) analgesic agents may prolong and/or worsen diarrhea associated with organisms that invade the intestinal mucosa, such as toxigenic E. coli, Salmonella, Shigella, and pseudomembranous colitis due to broad-spectrum antibiotics. These agents decrease gastrointestinal motility, which may delay the excretion of infective gastroenteric organisms and/or their toxins. Other symptoms and complications such as fever, shedding of organisms and extraintestinal illness may also be increased or prolonged. Therapy with opioids should be avoided or administered cautiously in patients with infectious diarrhea, particularly that due to pseudomembranous enterocolitis or enterotoxin-producing bacteria or if accompanied by high fever, pus, or blood in the stool.

References

  1. "Product Information. Darvon (propoxyphene)." Lilly, Eli and Company, Indianapolis, IN.
  2. "Product Information. Dalgan (dezocine)." Astra USA, Westborough, MA.
  3. "Product Information. Stadol (butorphanol nasal)." Bristol-Myers Squibb, Princeton, NJ.
View all 26 references

Narcotic Analgesics (Includes Methadone) ↔ Liver Disease

Severe Potential Hazard, High plausibility

Applies to: Liver Disease

Narcotic (opioid) analgesic agents are extensively metabolized by the liver, and several of them (e.g., codeine, hydrocodone, meperidine, methadone, morphine, propoxyphene) have active metabolites that are further converted to inactive substances. The serum concentrations of these agents and their metabolites may be increased and the half-lives prolonged in patients with impaired hepatic function. Therapy with opioids should be administered cautiously and initiated at reduced dosages in patients with liver disease. Subsequent doses should be titrated based on individual response rather than a fixed dosing schedule.

References

  1. "Product Information. Ultiva (remifentanil)." Glaxo Wellcome, Research Triangle Park, NC.
  2. "Product Information. Kadian (morphine)." Zeneca Pharmaceuticals, Wilmington, DE.
  3. "Product Information. Stadol (butorphanol)." Allscrips Pharmaceutical Company, Vernon Hills, IL.
View all 58 references

Narcotic Analgesics (Includes Methadone) ↔ Prematurity

Severe Potential Hazard, High plausibility

Applies to: Prematurity/Underweight in Infancy

The use of narcotic (opioid) analgesic agents is contraindicated in premature infants. These agents may cross the immature blood-brain barrier to a greater extent than in adults, resulting in disproportionate respiratory depression.

References

  1. "Product Information. Calcidrine (codeine)." Abbott Pharmaceutical, Abbott Park, IL.
  2. "Multum Information Services, Inc. Expert Review Panel"

Narcotic Analgesics (Includes Methadone) ↔ Renal Dysfunction

Severe Potential Hazard, High plausibility

Applies to: Renal Dysfunction

Although narcotic (opioid) analgesic agents are generally metabolized by the liver, renal impairment can alter the elimination of these agents and their metabolites (some of which are pharmacologically active), resulting in drug accumulation and increased risk of toxicity. Therapy with opioids should be administered cautiously and initiated at reduced dosages in patients with significantly impaired renal function. Subsequent doses should be titrated based on individual response rather than a fixed dosing schedule.

References

  1. Wolff J, Bigler D, Christensen CB, et al "Influence of renal function on the elimination of morphine and morphine glucoronides." Eur J Clin Pharmacol 34 (1988): 353-7
  2. Chan K, Jennings F, Orme ML "Pharmacokinetics of low-dose intravenous pethidine in patients with renal dysfunction." J Clin Pharmacol 27 (1987): 516-22
  3. Aitkenhead AR, Vater M, Achola K, Cooper CM, Smith G "Pharmacokinetics of single-dose i.v. morphine in normal volunteers and patients with end-stage renal failure." Br J Anaesth 56 (1984): 813-9
View all 56 references

Opiate Agonists (Includes Methadone) ↔ Acute Alcohol Intoxication

Severe Potential Hazard, High plausibility

Applies to: Alcoholism, Acute Alcohol Intoxication

The use of opiate agonists is contraindicated in patients with acute alcohol intoxication exhibiting depressed vital signs. The central nervous system depressant effects of opiate agonists may be additive with those of alcohol. Severe respiratory depression and death may occur. Therapy with opiate agonists should be administered cautiously in patients who might be prone to acute alcohol intake.

References

  1. "Product Information. Opium Tincture (opium)" Lilly, Eli and Company, Indianapolis, IN.
  2. "Product Information. MS Contin (morphine)." Purdue Frederick Company, Norwalk, CT.
  3. "Product Information. Vicoprofen (hydrocodone-ibuprofen)." Knoll Pharmaceutical Company, Whippany, NJ.
View all 15 references

Opiate Agonists (Includes Methadone) ↔ Drug Dependence

Severe Potential Hazard, High plausibility

Applies to: Drug Abuse/Dependence, Alcoholism

Opiate agonists have the potential to cause dependence and abuse. Tolerance as well as physical and psychological dependence can develop after prolonged use. Abrupt cessation, reduction in dosage, or administration of an opiate antagonist such as naloxone may precipitate withdrawal symptoms. In patients who have developed tolerance to an opiate agonist, overdosage can still produce respiratory depression and death, and cross-tolerance usually will occur with other agents in the class. Addiction-prone individuals, such as those with a history of alcohol or substance abuse, should be under careful surveillance or medical supervision when treated with opiate agonists. It may be prudent to refrain from dispensing large quantities of medication to these patients. After prolonged use or if dependency is suspected, withdrawal of opiate therapy should be undertaken gradually using a dosage-tapering schedule.

References

  1. Fishbain DA, Goldberg M, Rosomoff RS, Rosomoff H "Atypical withdrawal syndrome (organic delusional syndrome) secondary to oxycodone detoxification ." J Clin Psychopharmacol 8 (1988): 441-2
  2. Strode SW "Propoxyphene dependence and withdrawal." Am Fam Physician 32 (1985): 105-8
  3. "Product Information. Levo-Dromoran (levorphanol)." Roche Laboratories, Nutley, NJ.
View all 26 references

Opiate Agonists (Includes Methadone) ↔ Hypotension

Severe Potential Hazard, High plausibility

Applies to: Hypotension, Dehydration, Shock

Opiate agonists can induce vasodilation and significant hypotension, particularly when given in high dosages and/or by rapid intravenous administration. Shock and cardiac arrest have occurred. At therapeutic analgesic dosages, ambulatory patients are more likely to experience dizziness and hypotension than patients who are confined to bed. However, orthostatic hypotension may occur in supine patients upon rising. Therapy with opiate agonists should be administered cautiously and initiated at reduced dosages in patients with circulatory shock, hypovolemia, or a predisposition to hypotension. When given by intramuscular or subcutaneous administration, clinicians should also be aware that impaired perfusion in these patients may prevent complete absorption of the drug. With repeated injections, an excessive amount may be absorbed suddenly if normal circulation is reestablished.

References

  1. Cox RG "Hypoxaemia and hypotension after intravenous codeine phosphate." Can J Anaesth 41 (1994): 1211-3
  2. "Product Information. OxyContin (oxycodone)." Purdue Frederick Company, Norwalk, CT.
  3. Sebel PS, Bovill JG, Boekhorst RA, Rog N "Cardiovascular effects of high-dose fentanyl anaesthesia." Acta Anaesthesiol Scand 26 (1982): 308-15
View all 23 references

Opiate Agonists (Includes Methadone) ↔ Intracranial Pressure

Severe Potential Hazard, High plausibility

Applies to: Brain/Intracranial Tumor, Head Injury, Cerebral Vascular Disorder

The hypoventilation associated with administration of opiate agonists, particularly by the intravenous route, can induce cerebral hypoxia and vasodilatation with resultant increase in intracranial pressure. Unless mechanical ventilation is provided, extreme caution is advised when opiate agonists are given to patients with head injury, intracranial lesions, or a preexisting elevated CSF pressure. Also, clinicians treating such patients should be aware that opiate agonists may interfere with the evaluation of CNS function, especially with respect to consciousness levels, respiratory status, and pupillary changes.

References

  1. "Product Information. Darvon (propoxyphene)." Lilly, Eli and Company, Indianapolis, IN.
  2. "Product Information. Fentanyl Oralet (fentanyl)." Abbott Pharmaceutical, Abbott Park, IL.
  3. "Product Information. OxyContin (oxycodone)." Purdue Frederick Company, Norwalk, CT.
View all 20 references

Opiate Agonists (Includes Methadone) ↔ Respiratory Depression

Severe Potential Hazard, High plausibility

Applies to: Pulmonary Impairment, Brain/Intracranial Tumor, Head Injury, Altered Consciousness, Asphyxia, Sleep Apnea, Cerebral Vascular Disorder, Respiratory Arrest

Opiate agonists may produce significant central nervous system and respiratory depression of varying duration, particularly when given in high dosages and/or by rapid intravenous administration. Apnea may result from decreased respiratory drive as well as increased airway resistance, and rigidity of respiratory muscles may occur during rapid IV administration or when these agents are used in the induction of anesthesia. At therapeutic analgesic dosages, the respiratory effects are usually not clinically important except in patients with preexisting pulmonary impairment. Therapy with opiate agonists should be avoided or administered with extreme caution and initiated at reduced dosages in patients with severe CNS depression; sleep apnea; hypoxia, anoxia, or hypercapnia; upper airway obstruction; chronic pulmonary insufficiency; a limited ventilatory reserve; or other respiratory disorders. In the presence of excessive respiratory secretions, the use of opiate agonists may also be problematic because they decrease ciliary activity and reduce the cough reflex. Caution is also advised in patients who may be at increased risk for respiratory depression, such as comatose patients or those with head injury, intracranial lesions, or intracranial hypertension. Clinical monitoring of pulmonary function is recommended, and equipment for resuscitation should be immediately available if parenteral or neuraxial routes are used. Naloxone may be administered to reverse clinically significant respiratory depression, which may be prolonged depending on the opioid agent, cumulative dose, and route of administration.

References

  1. Redpath JB, Pleuvry BJ "Double-blind comparison of the respiratory and sedative effects of codeine phosphate and (+/-)-glaucine phosphate in human volunteers." Br J Clin Pharmacol 14 (1982): 555-8
  2. "Product Information. Dilaudid (hydromorphone)." Knoll Pharmaceutical Company, Whippany, NJ.
  3. "Product Information. Numorphan (oxymorphone)" Endo Laboratories LLC, Chadds Ford, PA.
View all 44 references

Narcotic Analgesics (Includes Methadone) ↔ Adrenal Insufficiency

Moderate Potential Hazard, Moderate plausibility

Applies to: Adrenal Insufficiency

Patients with Addison's disease may have increased risk of respiratory depression and prolonged CNS depression associated with the use of narcotic (opioid) analgesic agents. Conversely, these agents may cause or potentiate adrenal insufficiency. Therapy with opioids should be administered cautiously and initiated at reduced dosages in patients with adrenocortical insufficiency. Subsequent doses should be titrated based on individual response rather than a fixed dosing schedule.

References

  1. "Product Information. Orlaam (levomethadyl acetate)" Roxanne Laboratories Inc, Columbus, OH.
  2. "Product Information. Fentanyl Oralet (fentanyl)." Abbott Pharmaceutical, Abbott Park, IL.
  3. "Product Information. Roxanol (morphine)." Roxane Laboratories Inc, Columbus, OH.
View all 26 references

Narcotic Analgesics (Includes Methadone) ↔ Biliary Spasm

Moderate Potential Hazard, Moderate plausibility

Applies to: Biliary Obstruction, Gallbladder Disease

Narcotic (opioid) analgesic agents increase smooth muscle tone in the biliary tract, which can lead to spasm and elevated biliary tract pressure, especially in the sphincter of Oddi. Biliary effects appear to be the most pronounced with morphine, although they do not always occur with therapeutic doses. Therapy with opioids should be administered cautiously in patients with biliary or gallbladder disease.

References

  1. "Product Information. Dalgan (dezocine)." Astra USA, Westborough, MA.
  2. "Product Information. Opium Tincture (opium)" Lilly, Eli and Company, Indianapolis, IN.
  3. "Product Information. MS Contin (morphine)." Purdue Frederick Company, Norwalk, CT.
View all 30 references

Narcotic Analgesics (Includes Methadone) ↔ Hypothyroidism

Moderate Potential Hazard, Moderate plausibility

Applies to: Hypothyroidism, Panhypopituitarism

Patients with hypothyroidism may have increased risk of respiratory depression and prolonged CNS depression associated with the use of narcotic (opioid) analgesic agents. These agents may also exacerbate the effects of hypothyroidism such as lethargy, impaired mentation, depression, and constipation. Therapy with opioids should be administered cautiously and initiated at reduced dosages in patients with uncontrolled hypothyroidism or myxedema. Subsequent doses should be titrated based on individual response rather than a fixed dosing schedule.

References

  1. "Product Information. Numorphan (oxymorphone)" Endo Laboratories LLC, Chadds Ford, PA.
  2. "Product Information. Talwin NX (pentazocine)." Sanofi Winthrop Pharmaceuticals, New York, NY.
  3. "Product Information. Demerol (meperidine)." Sanofi Winthrop Pharmaceuticals, New York, NY.
View all 25 references

Narcotic Analgesics (Includes Methadone) ↔ Seizure Disorders

Moderate Potential Hazard, Low plausibility

Applies to: Seizures

Narcotic (opioid) analgesic agents may exacerbate seizures in patients with seizure disorders and, at higher dosages, have been reported to induce seizures in patients without previous history of seizures. The proconvulsant activity may be the greatest with meperidine, the active metabolite of which is thought to be responsible. Therapy with opioids should be administered cautiously in patients with or predisposed to seizures.

References

  1. Strong WE, Matson M "Probable seizure after alfentanil." Anesth Analg 68 (1989): 692-3
  2. Armstrong PJ, Bersten A "Normeperidine toxicity." Anesth Analg 65 (1986): 536-8
  3. "Product Information. Dalgan (dezocine)." Astra USA, Westborough, MA.
View all 43 references

Narcotic Analgesics (Includes Methadone) ↔ Urinary Retention

Moderate Potential Hazard, Moderate plausibility

Applies to: Urinary Retention

Narcotic (opioid) analgesic agents may inhibit the urinary voiding reflex and increase the tone of the vesical sphincter in the bladder. Acute urinary retention requiring catheterization may occur, particularly in patients with prostatic hypertrophy or urethral stricture and in elderly patients. These agents may also decrease urine production via direct effects on the kidney and central stimulation of the release of vasopressin. Therapy with opioids should be administered cautiously in patients with or predisposed to urinary retention and/or oliguria. The effects on smooth muscle tone appear to be the most pronounced with morphine.

References

  1. "Product Information. Calcidrine (codeine)." Abbott Pharmaceutical, Abbott Park, IL.
  2. "Product Information. Talwin NX (pentazocine)." Sanofi Winthrop Pharmaceuticals, New York, NY.
  3. "Product Information. Demerol (meperidine)." Sanofi Winthrop Pharmaceuticals, New York, NY.
View all 29 references

Opiate Agonists (Includes Methadone) ↔ Arrhythmias

Moderate Potential Hazard, Moderate plausibility

Applies to: Arrhythmias

Opiate agonists have cholinergic activity. Large doses and/or rapid intravenous administration may produce bradycardia and arrhythmia via stimulation of medullary vagal nuclei. Unlike other agents in the class, meperidine also has anticholinergic activity and may cause either bradycardia or tachycardia. Therapy with opiate agonists should be administered cautiously in patients with a history of arrhythmias. Clinical monitoring of cardiovascular status is recommended during therapy. Bradycardia and other cholinergic effects produced by these agents may be controlled with atropine.

References

  1. "Product Information. Opium Tincture (opium)" Lilly, Eli and Company, Indianapolis, IN.
  2. "Product Information. Duragesic Transdermal System (fentanyl)." Janssen Pharmaceutica, Titusville, NJ.
  3. "Product Information. Alfenta (alfentanil)." Janssen Pharmaceutica, Titusville, NJ.
View all 21 references

You should also know about...

methadone drug Interactions

There are 920 drug interactions with methadone

methadone alcohol/food Interactions

There are 2 alcohol/food interactions with methadone

Drug Interaction Classification

The classifications below are a general guideline only. It is difficult to determine the relevance of a particular drug interaction to any individual given the large number of variables.

Major Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit.
Moderate Moderately clinically significant. Usually avoid combinations; use it only under special circumstances.
Minor Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan.

Do not stop taking any medications without consulting your healthcare provider.

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