Compare Morphine Sulfate vs. Percocet

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

Ms Contin
(morphine sulfate)

Percocet
(oxycodone / acetaminophen)

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.Treats moderate to severe pain. Percocet (Oxycodone / Acetaminophen) is the strongest prescription combination pain medicine for as needed pain relief, but make sure you don't take too much acetaminophen (Tylenol) to avoid liver problems or death.
Reviews & ratings
Filter group. All currently selected
Filter group. All currently selected
4.79Morphine Sulfate
Reviews for Morphine Sulfate
55%
of people (All ages) say Morphine Sulfate is worth it
43%
say it works well
20%
say it's a big hassle
541 reviews
Have you used Ms Contin (morphine sulfate)?
Worth itNot sureNot worth it
Reviews for Percocet
70%
-15% worse vs. Morphine Sulfate
49%
-6% worse vs. Morphine Sulfate
15%
-5% worse vs. Morphine Sulfate
1399 reviews
Have you used Percocet (oxycodone / acetaminophen)?
Worth itNot sureNot worth it
Side effects
Morphine SulfatePercocet

The Morphine Sulfate FDA package insert doesn’t have numbers about how common side effects are.

More about Morphine Sulfate side effects »

The Percocet FDA package insert doesn’t have numbers about how common side effects are.

More about Percocet side effects »
How it works
Morphine SulfatePercocet
Ms Contin (Morphine Sulfate) is an opioid medicine that works in the brain to lower pain perception.Percocet (Oxycodone / Acetaminophen) is a combination pain medicine. Oxycodone is an opioid (similar to morphine) that works in the brain to lower pain perception. Acetaminophen is a non-opioid pain reliever and fever reducer.
Type of medication
Morphine SulfatePercocet
Prescription onlyPrescription only
Available as
Morphine SulfatePercocet
  • Pill
  • Extended release
  • Oral solution
  • Liquid
  • Suppository
  • Pill
  • Oral solution
Used for
Morphine SulfatePercocet
Risk factors for serious side effects
Morphine SulfatePercocet
  • 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
Detailed Ms Contin (morphine sulfate) risks & warnings »
  • Current liver disease
  • Taking with alcohol
  • Taking other medicines with acetaminophen
  • Age 65 or greater
  • Higher dose
Detailed Percocet (oxycodone / acetaminophen) risks & warnings »
Pregnancy

Research studies with animals found harmful effects on unborn babies. It hasn’t been properly studied in humans. The benefits might outweigh the risks even if you’re pregnant. Talk with your doctor.

Research studies with animals found harmful effects on unborn babies. It hasn’t been properly studied in humans. The benefits might outweigh the risks even if you’re pregnant. Talk with your doctor.

Alcohol
Morphine SulfatePercocet
No alcohol related info.
  • Avoid alcohol.
Food
Morphine SulfatePercocet
  • Take it with food to lower the chance of an upset stomach.
  • Take it with food to lower the chance of an upset stomach.
Kidneys and liver
Morphine SulfatePercocet
No kidneys and liver related info.
  • The acetaminophen component in Percocet (Oxycodone / Acetaminophen) can hurt your liver. Using more than 4000 mg of the acetaminophen (or 12 tablets of Percocet (Oxycodone / Acetaminophen) can cause serious harm to your liver that may make you need a liver transplant and can be life-threatening. Don't take more than your doctor prescribes, and avoid other medicines that have acetaminophen when using Percocet (Oxycodone / Acetaminophen).
  • Don't take more than instructed to prevent liver damage.
Pain
Morphine SulfatePercocet
  • Good for chronic pain that requires around-the-clock relief.
  • Doesn't work for as-needed or quick pain relief.
  • This is a combination pain medication. It contains both an opioid medicine, and acetaminophen (Tylenol).
  • Works best if you take it as soon as you start feeling pain.
  • Pain relief lasts 4-6 hours.
  • Talk to your doctor if it doesn't work well enough to relieve your pain, or if the side effects are really bad.
  • Combination pain medicine with an opioid component (oxycodone) and non-opioid component (acetaminophen or Tylenol) that takes advantage of different modes of pain relieve in a single pill.
  • Generally considered stronger than Norco or other combination pain medicine for treating pain.
Sleep
Morphine SulfatePercocet
  • Dizziness and drowsiness is common, but your body may adjust.
  • Can help you fall asleep easier.
  • Dizziness and drowsiness is common, but your body may adjust.
Upsides and benefits
Morphine SulfatePercocet
  • 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.
  • Combination pain medicine with an opioid component (oxycodone) and non-opioid component (acetaminophen or Tylenol) that takes advantage of different modes of pain relieve in a single pill.
  • Provides quick relief for moderate to severe pain to improve quality of life.
  • Generally considered stronger than Norco or other combination pain medicine for treating pain.
  • Good for as-needed, short-term use, but may be helpful to manage more long-term pain problems if used at the appropriate doses and intervals.
  • Lower rates of misuse compared to pure opioid medicines.
  • Can help you fall asleep easier.
Downsides and risks
Morphine SulfatePercocet
  • 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.
  • 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 Percocet if you need.
  • All opioid containing medicines have the risk of physical dependence and possibility of withdrawal when used long-term.
  • The non-opioid part of Percocet, acetaminophen (Tylenol), has a high risk of liver failure and death if you take more than the maximum daily dose. Be very careful.
  • Relies on the users to be aware of how much acetaminophen (Tylenol) they are using since it is a very common ingredient in many prescription and non-prescription pain medicines.
  • Avoid alcohol.
Tips from our pharmacists for people taking the medication
Morphine SulfatePercocet
  • Opioid pain medicine that provides longer pain relief—up to 12 hours.
  • Works best when taken regularly instead of as-needed.
  • Especially useful for people with chronic pain problems.
  • May not be the best choice for people who have never taken an opioid pain medicine because it lasts so long.
  • Swallow it whole. Don't crush, chew, or split the medicine.
  • Can make you dizzy or drowsy.
  • Avoid activities that need you to be fully alert until you know how it affects you.
  • Take it with food to lower the chance of an upset stomach.
  • Constipation is common and may not go away while you're taking this medicine. Drinking lots of water and taking laxatives can help.
  • Talk to your doctor if it doesn't help enough for your pain, or if the side effects are really bad.
  • This is a combination pain medication. It contains both an opioid medicine, and acetaminophen (Tylenol).
  • Starts working in 30 minutes.
  • Works best if you take it as soon as you start feeling pain.
  • Pain relief lasts 4-6 hours.
  • Can make you dizzy or drowsy.
  • Avoid activities need you to be fully alert until you know how it affects you.
  • Take it with food to lower the chance of an upset stomach.
  • Constipation is common and may not go away while you're taking this medicine. Drinking lots of water and using laxatives can help.
  • Don't take more than instructed to prevent liver damage.
  • Use it for the shortest time possible, and at the lowest dose possible, to lower your chance of becoming addicted.
  • Talk to your doctor if it doesn't work well enough to relieve your pain, or if the side effects are really bad.
Learn more
More about Morphine SulfateSide effectsReviews & ratingsAlternativesFDA package insert
Have you used Ms Contin (morphine sulfate)?
Worth itNot sureNot worth it
More about PercocetSide effectsReviews & ratingsAlternativesFDA package insert
Have you used Percocet (oxycodone / acetaminophen)?
Worth itNot sureNot worth it