Compare methadone vs. Morphine Sulfate

Head-to-head comparisons of medication uses, side effects, ratings, and more.

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Methadose (methadone)

Prescription only
Treats severe pain or drug dependence.

Methadose (methadone) is a cheap and effective treatment for severe chronic pain, but has serious risks for fatal overdose and drug dependence.

Treats severe pain.

Ms Contin (Morphine Sulfate) provides good long-term pain control without the need to take medicine frequently, but watch out for constipation.

3.5/ 5 average rating with 541 reviewsforMorphine Sulfate
Upsides
  • Available as a cheap, generic version.
  • One of the stronger opioid medicines for treatment of severe pain.
  • Can also be used to treat opioid dependence as part of a complete recovery program.
  • Provides longer relieve for moderate to severe pain to improve quality of life.
  • Good for chronic pain that requires around-the-clock relief.
  • Might have fewer side effects than other opioid pain relievers.
Downsides
  • Methadose (methadone) can cause slowed breathing, coma, and death from overdose, especially if mixed with alcohol, sleeping pills, or muscle relaxants.
  • Constipation is a common side effect of Methadose (methadone) and you might need laxatives or stool softeners.
  • Not a good option for short-term pain relief.
  • Doesn't work for as-needed or quick pain relief.
  • Dizziness and drowsiness is common, but your body may adjust.
  • Everyone will get constipation - always stay hydrated and take stool softener or stimulant on days you're taking Ms Contin (Morphine Sulfate) if you need.
  • Long term use will likely cause physical dependence.
  • Must be weaned slowly off the medicine after use longer than 2 weeks.
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Used for
Dosage forms
  • Pill
  • Dissolving tablet
  • Liquid
  • Pill
  • Extended release
  • Oral solution
  • Liquid
  • Suppository
Price
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Reviews
Not enough review data.Leave a review
541 reviews so far
55%
saidit'sworth it
43%
saiditworked well
20%
saidit'sa big hassle

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Side effects
The Methadose (methadone) FDA package insert doesn’t have numbers about how common side effects are.
The Ms Contin (Morphine Sulfate) FDA package insert doesn’t have numbers about how common side effects are.
Risks and risk factors
  • Death from lack of oxygen to the body (respiratory depression)
    • Start of treatment
    • Age 65 or greater
    • Dose changes and higher doses
  • Heart problems (arrhythmia)
    • History of cardiovascular disease
  • Driving impairment
    • Taking Methadose (methadone) with alcohol
    • Taking other medicines that make you less alert
  • Death from overdose
    • Children age 18 and younger
    • Taking more than prescribed dose
    • Mixing with alcohol or drugs that interact with Methadose (methadone)
  • Abuse, tolerance, and addiction
    • Taking more than the prescribed dose
    • Long-term use
    • History of drug abuse or mental illness
See more detailed risks and warnings
  • Death from lack of oxygen to the body (respiratory depression)
    • Current use of medicine that affects liver enzyme CYP 3A4
    • Age 65 or greater
    • Higher dose
    • People with not enough thyroid hormones
    • History of lung problems
  • Death from overdose
    • Children age 18 and younger
  • Death in newborn babies from opioid withdrawal (Neonatal opioid withdrawal syndrome)
    • Long-term use during pregnancy
  • Tolerance, dependence, and addiction
    • Taking more than the prescribed dose
    • Long-term use
    • History of drug abuse
  • Driving impairment
    • Taking with alcohol
    • Taking other medicines that make you less alert
    • Age 65 or greater
  • Low blood pressure
    • Age 65 years or older
See more detailed risks and warnings