Brand Name
Dilaudid
Generic Name
HYDROmorphone
View Brand Information FDA approval date: January 01, 1972
Classification: Opioid Agonist
Form: Injection, Suppository, Tablet, Solution
What is Dilaudid (HYDROmorphone)?
Hydromorphone Hydrochloride Injection is indicated for the management of pain severe enough to require an opioid analgesic and for which alternative treatments are inadequate. Hydromorphone Hydrochloride Injection is an opioid agonist indicated for the management of pain severe enough to require an opioid analgesic and for which alternative treatments are inadequate. Limitations of Use Because of the risks of addiction, abuse, and misuse with opioids, which can occur at any dosage or duration.
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Brand Information
Dilaudid (Hydromorphone hydrochloride)
1DOSAGE FORMS AND STRENGTHS
DILAUDID INJECTION:
Each single-dose prefilled syringe contains 0.2 mg/mL, 0.5 mg/0.5 mL, 1 mg/mL or 2 mg/mL of hydromorphone hydrochloride in a sterile, aqueous solution.
2CONTRAINDICATIONS
DILAUDID INJECTION is contraindicated in patients with:
- Significant respiratory depression
- Acute or severe bronchial asthma in an unmonitored setting or in the absence of resuscitative equipment
- Known or suspected gastrointestinal obstruction, including paralytic ileus
- Hypersensitivity to hydromorphone, hydromorphone salts, any other components of the product, or sulfite containing medications (e.g., anaphylaxis)
3ADVERSE REACTIONS
The following serious adverse reactions are described, or described in greater detail, in other sections:
- Addiction, Abuse, and Misuse
- Life-Threatening Respiratory Depression
- Interactions with Benzodiazepines and Other CNS Depressants
- Neonatal Opioid Withdrawal Syndrome
- Opioid-Induced Hyperalgesia and Allodynia
- Adrenal Insufficiency
- Severe Hypotension
- Gastrointestinal Adverse Reactions
- Seizures
- Withdrawal
The following adverse reactions associated with the use of hydromorphone were identified in clinical studies or postmarketing reports. Because some of these reactions were reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure.
Serious adverse reactions associated with DILAUDID INJECTION include respiratory depression and apnea and, to a lesser degree, circulatory depression, respiratory arrest, shock, and cardiac arrest.
The most common adverse effects are lightheadedness, dizziness, sedation, nausea, vomiting, sweating, flushing, dysphoria, euphoria, dry mouth, and pruritus. These effects seem to be more prominent in ambulatory patients and in those not experiencing severe pain.
4DRUG INTERACTIONS
Table 1 includes clinically significant drug interactions with DILAUDID INJECTION.
5DESCRIPTION
DILAUDID (hydromorphone hydrochloride), a hydrogenated ketone of morphine, is an opioid agonist.
DILAUDID INJECTION is available as a sterile, aqueous solution in clear and colorless single-dose prefilled syringes for slow intravenous, subcutaneous, or intramuscular administration. Each 1 mL of solution contains 0.2 mg, 1 mg or 2 mg of hydromorphone hydrochloride.
The chemical name of DILAUDID is 4,5α-epoxy-3-hydroxy-17-methylmorphinan-6-one hydrochloride. The molecular weight is 321.80. Its molecular formula is C

Hydromorphone hydrochloride is a white or almost white crystalline powder that is freely soluble in water, very slightly soluble in ethanol (96%), and practically insoluble in methylene chloride.
The inactive ingredients in DILAUDID (hydromorphone hydrochloride) include: 0.2% sodium citrate and 0.2% citric acid added as a buffer to maintain a pH between 3.5 and 5.5.
6HOW SUPPLIED/STORAGE AND HANDLING
DILAUDID INJECTION (hydromorphone hydrochloride) is supplied in clear and colorless single-dose prefilled syringes. Each single-dose prefilled syringe of sterile, aqueous solution contains 0.2 mg, 0.5 mg, 1 mg or 2 mg hydromorphone hydrochloride with 0.2% sodium citrate and 0.2% citric acid solution.
DILAUDID INJECTION contains no added preservative and is supplied as follows:
PROTECT FROM LIGHT.
Store at 20° to 25°C (68° to 77°F); excursions permitted to 15° to 30°C (59° to 86°F) [See USP Controlled Room Temperature].
Safety and Handling Instructions
Discard any unused portion.
Access to drugs with a potential for abuse such as DILAUDID INJECTION presents an occupational hazard for addiction in the health care industry. Routine procedures for handling controlled substances developed to protect the public may not be adequate to protect health care workers.
Implementation of more effective accounting procedures and measures to restrict access to drugs of this class (appropriate to the practice setting) may minimize the risk of self-administration by health care providers.