hydromorphone vs tramadol
Side-by-side comparison of hydromorphone and tramadol 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
Examples: Selective serotonin reuptake inhibitors (SSRIs), serotonin and norepinephrine reuptake inhibitors (SNRIs), tricyclic antidepressants (TCAs), triptans, 5-HT3 receptor antagonists, drugs that affect the serotonin neurotransmitter system (e.g., mirtazapine, trazodone, tramadol), certain muscle relaxants (i.e., cyclobenzaprine, metaxalone), monoamine oxidase (MAO) inhibitors (those intended to treat psychiatric disorders and also others, such as linezolid and intravenous methylene blue).
Recommendation: Your doctor should monitor you closely for signs of serotonin syndrome, such as confusion, sweating, or a fast heartbeat.
Dilaudid
Ultram, ConZip
Hydromorphone (Dilaudid) is a strong pain medicine. It is used to treat severe pain when other pain medicines do not work well enough.
Tramadol extended-release is a strong pain medicine. It is used to treat severe, ongoing pain that needs an opioid medicine when other pain medicines don't work well enough.
This medicine treats severe pain that requires an opioid pain medicine. It is for use when other treatments are not adequate. Do not use it for long periods unless your pain stays severe and other options are still not adequate. This medicine carries risks of addiction, abuse, and misuse.
Tramadol extended-release tablets are used to manage severe, long-lasting pain. This medicine is for pain that requires an opioid and cannot be treated well with other options. It is not for pain that comes and goes.
Hydromorphone works by binding to receptors in the brain and spinal cord. This blocks pain signals from reaching the brain. This results in a decreased feeling of pain.
Tramadol works in your brain to change how your body feels pain. It binds to opioid receptors and also affects certain chemicals in the brain. This helps to lessen the pain you feel.
- • Lightheadedness
- • Dizziness
- • Sleepiness
- • Nausea
- • Vomiting
- • Dizziness
- • Constipation
- • Feeling sick to your stomach
- • Headache
- • Feeling sleepy
- Addiction to the drug 35,077
- Taking too much of the drug 22,994
- Pain 22,132
- Emotional upset 17,685
- Death 14,869
- Needing the drug to function 7,820
- Taking too much of the drug 3,855
- Throwing up 3,156
- Discomfort 2,880
- Feeling sick to your stomach 2,713
This medicine has a boxed warning. It can cause serious and life-threatening risks. Taking too much can cause overdose and death. It can cause addiction, abuse, and misuse. It can also cause very slow or stopped breathing. Accidental intake, especially by a child, can cause a fatal overdose. Taking with alcohol or other depressants can cause coma and death. If you are pregnant, long-term use can cause withdrawal symptoms in the newborn.
Tramadol extended-release tablets can be habit-forming, leading to addiction, abuse, and misuse, which can result in overdose and death. Taking tramadol with other depressants like alcohol or benzodiazepines can cause very serious side effects, including slowed breathing, coma, and death. Even one dose of tramadol can be fatal, especially in children. Using tramadol for a long time during pregnancy can cause withdrawal symptoms in the newborn.
Using this medicine for a long time during pregnancy can cause withdrawal symptoms in the baby after birth. Talk to your doctor if you are pregnant or plan to become pregnant. This medicine may not be recommended during labor.
Tramadol may harm your unborn baby. Breastfeeding is not recommended while taking this medicine, as it can pass into breast milk and harm your baby.
Also Compare — Nearby Drugs
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How to Read This hydromorphone vs tramadol Comparison
hydromorphone is classified in the Opioid Analgesic drug class, while tramadol sits within the Opioid Analgesic class. Because both drugs share the same classification, they are often considered interchangeable in theory — but clinical outcomes rarely track that cleanly. 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, hydromorphone has 112,757 submissions while tramadol has 20,424. 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 drugs affect the serotonin system in the brain, and taking them together can cause serotonin levels to become dangerously high.. 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 hydromorphone and tramadol — 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.