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White Round Pill With 512

M 512 refers to a specific pharmaceutical drug that combines 5 mg of oxycodone and 325 mg of acetaminophen. Oxycodone is an opioid. Acetaminophen is a non-opioid analgesic and fever reducer. The combination provides an enhanced analgesic effect known as potentiation. The opioid component acts by binding to specific opioid receptors in the brain and spinal cord, blocking pain signals. The non-opioid component acts on other parts of the pain pathway, providing an additive analgesic effect.


  • Oxycodone 5 mg
  • Acetaminophen 325 mg


It is white, round, and scored on one side for easy division if necessary.


This medication is used primarily to treat moderate to severe pain conditions, such as:

  1. Postoperative: After surgeries or medical procedures, it can be used to manage severe discomfort.
  2. Dental: In cases of severe dental agony such as after tooth extraction or root canal treatment, this medication can be used.
  3. Injury-Related Pain: For severe pain associated with injuries, such as bone fractures, burns, or sprains.
  4. Cancer: In some instances, it may be used to manage pain in cancer patients, particularly when the pain is severe.
  5. Neuropathic: This medication can sometimes be used in the management of severe neuropathic issues.
  6. Chronic Discomfort: In some chronic conditions like fibromyalgia or chronic back pain, it might be used when other strategies are not effective.
  7. Arthritis: In severe cases of arthritis where over-the-counter medication does not provide enough relief.
  8. Migraine: In cases of severe migraines unresponsive to typical migraine medications, a healthcare provider may prescribe this drug.
  9. End-of-Life Management: In palliative care, it may be used to manage severe situations.
  10. Severe Infections: Severe agony from infections or severe skin and soft tissue cases.

Remember, this medication should be used under the direction of a healthcare provider, as it has potential for addiction and serious side effects. Always adhere to your healthcare provider’s directions when using this medicine.

Key Data Table

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IngredientsOxycodone (5 mg), Acetaminophen (325 mg)
UsesManagement of moderate to severe pain
ContraindicationsHypersensitivity to oxycodone or acetaminophen, severe asthma or respiratory depression, gastrointestinal obstruction
Drug classOpioid analgesic combinations
AvailabilityPrescription only
Markings“512” on one side, scored on the other
Size12 mm
CSA classificationSchedule II
WarningsPotential for addiction, abuse, and misuse; life-threatening respiratory depression; hepatotoxicity
Mechanism of actionOxycodone acts as an opioid receptor agonist; acetaminophen inhibits prostaglandin synthesis
PackagingAvailable in bottles of various counts
StorageStore at room temperature, away from light and moisture
PregnancyUse only if potential benefit justifies potential risk to fetus; not recommended for use during breastfeeding
FDA approvedYes
NDC code0406-0512
SupplierMultiple suppliers, depending on region

Side Effects

Like most pharmaceuticals, this drug can cause a range of side effects. Common ones include dizziness, drowsiness, lightheadedness, nausea, and vomiting. More severe, but less common, include shallow breathing, slow heartbeat, a feeling of faintness, confusion, unusual thoughts or behavior, seizure, and signs of liver problems like nausea, upper stomach pain, fatigue, loss of appetite, dark urine, and jaundice.

Drug Class

The oxycodone-acetaminophen pill falls under the drug class known as opioid analgesic combinations.

CSA Classification

According to the Controlled Substances Act (CSA), this medicine is categorized as a Schedule II drug. This means it has a high potential for abuse, which may lead to severe psychological or physical dependence.

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