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nalbuphine vs oxycodone

Side-by-side comparison of nalbuphine and oxycodone. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.

moderate Known Drug Interaction

Intervention: Avoid concomitant use Examples: Butorphanol, nalbuphine, pentazocine, buprenorphine Muscle Relaxants Clinical Impact: Oxycodone may enhance the neuromuscular blocking action of skeletal muscle relaxants and produce an increased degree of respiratory depression.

Recommendation: Do not take these drugs together as it can be unsafe.

Drug Class
nalbuphine Opioid Agonist-Antagonist
oxycodone Opioid Analgesic
Type
nalbuphine Prescription
oxycodone Prescription
Summary
nalbuphine

Nalbuphine injection is a strong pain medicine. It is used when other pain treatments don't work well enough.

oxycodone

Oxycodone is a strong pain medicine. It is used to treat severe pain that is not helped by other treatments.

What It Treats
nalbuphine

Nalbuphine injection is used to manage severe pain that requires a strong opioid medicine. It can also be used before and after surgery to help with pain. It can also be used during labor and delivery for pain relief.

oxycodone

Oxycodone is used to manage severe pain. It is for pain that requires an opioid medicine. You should only use it when other pain treatments are not enough. Talk to your doctor about other options if possible.

How It Works
nalbuphine

Nalbuphine works by attaching to opioid receptors in the brain and spinal cord. These receptors help to block pain signals. Nalbuphine both activates and blocks opioid receptors.

oxycodone

Oxycodone works by changing how your brain and nervous system respond to pain. It attaches to certain receptors in the brain. This helps to block pain signals and reduce pain.

Common Side Effects
nalbuphine
  • Feeling sleepy
  • Sweaty or clammy skin
  • Nausea
  • Vomiting
  • Dizziness
oxycodone
  • Feeling sick to your stomach
  • Constipation
  • Throwing up
  • Headache
  • Itching
FAERS Reports
nalbuphine
  • Allergic reaction to the medicine 36
  • Baby exposed to the medicine during pregnancy 10
  • Newborn has trouble breathing 10
  • Newborn has a seizure 10
  • Pain 7
oxycodone
  • Addiction to the drug 27,480
  • Pain 26,410
  • Death 19,598
  • Taking too much of the drug 19,081
  • Harmful effects from different substances 16,254
Serious Warnings
nalbuphine

Nalbuphine can cause serious breathing problems that can be life-threatening, especially when you first start taking it or after a dose increase. Taking nalbuphine with benzodiazepines (like anxiety or sleep medicines) or other drugs that can make you sleepy, including alcohol, can cause very serious sleepiness, breathing problems, coma, and death.

oxycodone

Oxycodone can cause serious, life-threatening risks: * Addiction, abuse, and misuse can lead to overdose and death. Your doctor will check your risk before prescribing and during treatment. * It can cause very slow or stopped breathing, especially when you start taking it or after a dose increase. * If a child accidentally takes even one dose, it can cause a fatal overdose. * Taking it with benzodiazepines (like Xanax) or other depressants (like alcohol) can cause sleepiness, slowed breathing, coma, and death. * Using oxycodone for a long time during pregnancy can cause withdrawal symptoms in the newborn. * Taking oxycodone with certain other medicines can cause dangerous side effects.

Pregnancy
nalbuphine

Using nalbuphine during pregnancy may cause breathing problems in the newborn. Talk to your doctor if you are pregnant or plan to become pregnant. It is not known if nalbuphine passes into breast milk. Talk to your doctor about the risks and benefits of breastfeeding.

oxycodone

Using oxycodone for a long time during pregnancy can cause withdrawal symptoms in the baby after birth. Talk to your doctor about the risks if you are pregnant or plan to become pregnant. Oxycodone is not recommended during labor, as it can cause breathing problems in the newborn.

Also Compare, Nearby Drugs

How to Read This nalbuphine vs oxycodone Comparison

nalbuphine is classified in the Opioid Agonist-Antagonist drug class, while oxycodone sits within the Opioid Analgesic class. Drugs from different classes work through distinct mechanisms, so a head-to-head comparison illustrates trade-offs rather than equivalence. Both drugs are prescription-only, so a licensed provider must authorize use.

Adverse event totals above are pulled from the FDA's Adverse Event Reporting System (FAERS). For these top-ranked reactions alone, nalbuphine has 73 submissions while oxycodone has 108,823. Those figures reflect cumulative reporting volume, not per-patient risk, so older, widely dispensed drugs typically look worse on count alone. These two drugs have a known moderate interaction flagged in FDA labeling, attributed to combining these medications can lead to a dangerous increase in breathing problems and muscle weakness.. Serious warnings, pregnancy guidance, and contraindications can differ even when indications overlap.

A table cannot substitute for clinical judgment. Effectiveness, tolerability, drug-drug interactions with your other medications, kidney and liver function, pregnancy status, insurance formulary, and price all feed into a decision that only a licensed prescriber can make responsibly. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This page is for educational purposes only, is not medical advice, and should not be used to self-switch between nalbuphine and oxycodone - always consult your physician or pharmacist first.

Important: This comparison is for informational purposes only. Drug effects vary between individuals. Always consult your doctor or pharmacist for personalized medical advice.