gabapentin vs oxycodone
Side-by-side comparison of gabapentin and oxycodone. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
minor Known Drug Interaction
7 DRUG INTERACTIONS Concentrations increased by morphine; may need dose adjustment (5.4, 7.1 ) 7.1 Opioids Respiratory depression and sedation, sometimes resulting in death, have been reported following coadministration of gabapentin with opioids (e.g., morphine, hydrocodone, oxycodone, buprenorphine) [ see Warnings and Precautions (5.7) ]. 7.1 Opioids Respiratory depression and sedation, sometimes resulting in death, have been reported following coadministration of gabapentin with opioids (e.g., morphine, hydrocodone, oxycodone, buprenorphine) [ see Warnings and Precautions (5.7) ].
Recommendation: Your doctor should monitor you closely for signs of breathing trouble and may need to adjust your dosages.
Neurontin, Gralise
OxyContin, Roxicodone
Gabapentin is a medicine that can treat nerve pain and seizures. It works by calming overactive nerves in the body.
Oxycodone is a strong pain medicine. It is used to treat severe pain that is not helped by other treatments.
Gabapentin is used to manage nerve pain after shingles in adults. This is called postherpetic neuralgia. It is also used with other medicines to treat partial seizures in adults and children ages 3 and older who have epilepsy.
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.
Gabapentin affects how nerves send signals to the brain. It is thought to work by decreasing the activity of overexcited nerve cells. This can reduce pain and prevent seizures.
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.
- • Dizziness
- • Sleepiness
- • Swelling in arms and legs
- • Uncoordinated movements
- • Tiredness
- • Feeling sick to your stomach
- • Constipation
- • Throwing up
- • Headache
- • Itching
- Tiredness 24,395
- Feeling sick to your stomach 21,942
- Aches and discomfort 20,748
- Loose or watery stools 17,456
- Pain in your head 17,287
- 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
This medicine can cause a severe allergic reaction with fever, rash, and organ problems. Stop taking gabapentin and get medical help right away if you have trouble breathing or swelling of your face, lips, tongue, or throat. Do not drive or operate heavy machinery until you know how gabapentin affects you. Do not stop taking gabapentin suddenly, as this may increase seizures. Gabapentin may cause suicidal thoughts or actions. Watch for changes in mood or behavior. Using gabapentin with opioid medicines can cause very slow breathing, sedation, and death. Children ages 3 to 12 may have new or worsening behavior problems.
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.
Gabapentin may cause harm to an unborn baby based on animal studies. If you are pregnant or plan to become pregnant, talk to your doctor. Gabapentin passes into breast milk. The effects on a nursing baby are not known.
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.
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How to Read This gabapentin vs oxycodone Comparison
gabapentin is classified in the Anticonvulsant / Nerve Pain Agent 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, gabapentin has 101,828 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 minor interaction flagged in FDA labeling, attributed to both of these medications slow down the central nervous system, which can lead to dangerous breathing problems and extreme sleepiness. taking them together increases the risk of these life-threatening side effects.. 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 gabapentin 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.