This information is for educational purposes only. It is not intended as medical advice. Always consult a qualified healthcare professional.
OTC
Hydromorphone hydrochloride
INN: Hydromorphone hydrochloride
Data updated: 2026-04-11
Available in:
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About This Product
ATC Code
User Reviews
Reviews reflect personal experiences and are not medical advice. Always consult your doctor.
N02AA03
Source
KEGG
USDailyMed:Hydromorphone
AU:C
N02AA03(WHO)
AU:S8(Controlled drug)BR:Class A1(Narcotic drugs)CA:Schedule IDE:Anlage III(Special prescription form required)NZ:Class BUK:Class AControlled Drug: Schedule IIUS:Schedule IIUN:Narcotic Schedule ISE: Förteckning II
4,5-α-Epoxy-3-hydroxy-17-methyl morphinan-6-one
466-99-9Y
5284570
7082
DB00327Y
4447624Y
Q812464R06
D08047Y
CHEBI:5790Y
ChEMBL398707Y
DTXSID8023133
Interactive image
O=C4[C@@H]5Oc1c2c(ccc1O)C[C@H]3N(CC[C@]25[C@H]3CC4)C
InChI=1S/C17H19NO3/c1-18-7-6-17-10-3-5-13(20)16(17)21-15-12(19)4-2-9(14(15)17)8-11(10)18/h2,4,10-11,16,19H,3,5-8H2,1H3/t10-,11+,16-,17-/m0/s1YKey:WVLOADHCBXTIJK-YNHQPCIGSA-NY
Hydromorphone, also known asdihydromorphinone, and sold under the brand nameDilaudidamong others, is amorphinanopioidused to treat moderate to severepain.Typically, long-term use is only recommended for pain due tocancer.It may be used by mouth or byinjection into a vein,muscle, orunder the skin.Effects generally begin within half an hour and last for up to five hours.A 2016Cochranereview (updated in 2021) found little difference in benefit between hydromorphone and other opioids for cancer pain.
Common side effects includedizziness,euphoria,sleepiness,nausea,itchiness, andconstipation.Serious side effects may includeabuse,low blood pressure,seizures,respiratory depression, andserotonin syndrome.Rapidly decreasing the dose may result inopioid withdrawal.Generally, use duringpregnancyorbreastfeedingis not recommended.Hydromorphone exerts its effects by activatingopioid receptors, mainly in the brain and spinal cord.Hydromorphone 2 mgIVisequivalentto approximately 10 mgmorphineIV.
Hydromorphone was patented in 1923.Hydromorphone is made frommorphine.Hydromorphone is a therapeutic alternative on theWorld Health Organization's List of Essential Medicines.It is available as ageneric medication.In 2022, it was the 233rd most commonly prescribed medication in the United States, with more than 1million prescriptions.
⚠️ Warnings
• Caution should be exercised in patients with history of liver or kidney disease, alcoholism, lung or thyroid disease, heart disease, prostate enlargement, urinary problems, any allergy, who are taking other medications, elderly, children, during pregnancy and breastfeeding.
• It may cause drowsiness, dizziness, blurred vision or lightheadedness, do not drive a car or operate machinery and get up slowly from bed while taking this medication.
• Avoid alcohol consumption.
• It may lead to constipation; if it so consult with your doctor.
• Avoid long-term use of this medication; otherwise patient may get addicted to this drug.