Compare Morphine Sulfate vs. Norco

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

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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
Treats moderate to moderately severe pain.

Norco (hydrocodone / acetaminophen) is a good option to treat pain when over-the-counter medicines haven't worked, but it can lead to dependence and tolerance if taken for a long time.

3.7/ 5 average rating with 1194 reviewsforNorco
Upsides
  • 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.
  • Norco (hydrocodone / acetaminophen) has two medicines to treat moderate to moderately severe pain. The combination is more effective than either drug alone.
  • Norco (hydrocodone / acetaminophen) is more potent than many over-the-counter options.
  • You can take this with or without food.
  • This medicine also comes as a liquid if you have trouble swallowing.
  • Norco (hydrocodone / acetaminophen) is available as a generic.
Downsides
  • 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.
  • Constipation, dizziness, drowsiness, and nausea can commonly occur.
  • Since Norco (hydrocodone / acetaminophen) is a controlled medication, it cannot be refilled or transferred to another pharmacy.
  • Long-term use can cause dependence and tolerance.
  • Too much Norco (hydrocodone / acetaminophen) can damage the liver.
  • Not effective in treating all kinds of pain.
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Used for
Dosage forms
  • Pill
  • Extended release
  • Oral solution
  • Liquid
  • Suppository
  • Pill
  • Liquid
Price
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Reviews
541 reviews so far
55%
saidit'sworth it
43%
saiditworked well
20%
saidit'sa big hassle

Have you used Ms Contin (Morphine Sulfate)?

Leave a review
1194 reviews so far
67%
saidit'sworth it
44%
saiditworked well
13%
saidit'sa big hassle

Have you used Norco (hydrocodone / acetaminophen)?

Leave a review
Side effects
The Ms Contin (Morphine Sulfate) FDA package insert doesn’t have numbers about how common side effects are.
The Norco (hydrocodone / acetaminophen) 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)
    • 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
  • Liver failure
    • Current liver disease
    • Taking Norco (hydrocodone / acetaminophen) with alcohol
    • Taking other medicines containing acetaminophen
  • Slowed breathing
    • Age 65 or greater
    • High dosages
    • History of lung problems
    • Taking other painkillers or sedatives
  • Severe allergic reactions
    • Taking more than the prescribed dose
    • Long-term use
    • History of substance abuse
    • Younger age
  • Tolerance, dependence, and addiction
    • Taking more than the prescribed dose
    • Long-term use
    • History of drug abuse
    • Younger age
  • Constipation
    • Age 65 or greater
    • Long-term use of opioids
    • Taking drugs that cause constipation
  • Confusion and drowsiness
    • Drinking alcohol
    • Age 65 years or older
See more detailed risks and warnings