Who should not take Methadone HCL Syringe?

The following conditions are contraindicated with this drug. Check with your physician if you have any of the following:


  • decreased function of the adrenal gland
  • low amount of magnesium in the blood
  • low amount of potassium in the blood
  • alcoholism
  • alcohol intoxication
  • drug abuse
  • cor pulmonale
  • very rapid heartbeat - torsades de pointes
  • prolonged QT interval on EKG
  • left ventricular hypertrophy
  • abnormal EKG with QT changes from birth
  • abnormally low blood pressure
  • Asthma Attack
  • decreased lung function
  • stomach or intestine blockage
  • constipation
  • liver problems
  • biliary and gallbladder problem
  • acute inflammation of the pancreas
  • Coma
  • seizures
  • cannot empty bladder
  • Weakened Patient
  • General Ill Health and Malnutrition
  • high pressure within the skull
  • chronic obstructive lung disease
  • kidney disease with likely reduction in kidney function


  • Propoxyphene
  • Opioids-Methadone and Related

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CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.