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Respiratory Depression: Respiratory depression is the chief hazard of DILAUDID (hydromorphone hydrochloride) ORAL LIQUID and DILAUDID (hydromorphone hydrochloride) 8 mg TABLETS. Respiratory depression is more likely to occur in the elderly, in the debilitated, and in those suffering from conditions accompanied by hypoxia or hypercapnia when even moderate therapeutic doses may dangerously decrease pulmonary ventilation.
DILAUDID (hydromorphone hydrochloride) ORAL LIQUID and DILAUDID (hydromorphone hydrochloride) 8 mg TABLETS should be used with extreme caution in patients with chronic obstructive pulmonary disease or cor pulmonale, patients having a substantially decreased respiratory reserve, hypoxia, hypercapnia, or in patients with preexisting respiratory depression. In such patients even usual therapeutic doses of opioid analgesics may decrease respiratory drive while simultaneously increasing airway resistance to the point of apnea.
DILAUDID (hydromorphone hydrochloride) ORAL LIQUID and DILAUDID (hydromorphone hydrochloride) 8mg TABLETS contain hydromorphone, which is a potent Schedule II controlled opioid agonist. Schedule II opioid agonists, including morphine, oxymorphone, oxycodone, fentanyl, and methadone, have the highest potential for abuse and risk of producing respiratory depression. Alcohol, other opioids and central nervous system depressants (sedative-hypnotics) potentiate the respiratory depressant effects of hydromorphone, increasing the risk of respiratory depression that might result in death.
Misuse, Abuse, and Diversion of Opioids
Hydromorphone is an opioid agonist of the morphine-type. Such drugs are sought by drug abusers and people with addiction disorders and are subject to criminal diversion.
DILAUDID (hydromorphone hydrochloride) can be abused in a manner similar to other opioid agonists, legal or illicit. This should be considered when prescribing or dispensing DILAUDID (hydromorphone hydrochloride) in situations where the physician or pharmacist is concerned about an increased risk of misuse, abuse, or diversion. Prescribers should monitor all patients receiving opioids for signs of abuse, misuse, and addiction. Furthermore, patients should be assessed for their potential for opioid abuse prior to being prescribed opioid therapy. Persons at increased risk for opioid abuse include those with a personal or family history of substance abuse (including drug or alcohol abuse) or mental illness (e.g., depression). Opioids may still be appropriate for use in these patients, however, they will require intensive monitoring for signs of abuse.
DILAUDID (hydromorphone hydrochloride) has been reported as being abused by crushing, chewing, snorting, or injecting the dissolved product. These practices pose a significant risk to the abuser that could result in overdose or death (see WARNINGS and Drug Abuse And Dependence).
Concerns about abuse, addiction, and diversion should not prevent the proper management of pain.
Healthcare professionals should contact their State Professional Licensing Board or State Controlled Substances Authority for information on how to prevent and detect abuse or diversion of this product.
Interactions with Alcohol and Drugs of Abuse
Hydromorphone may be expected to have additive effects when used in conjunction with alcohol, other opioids, or illicit drugs that cause central nervous system depression.
Neonatal Withdrawal Syndrome: Infants born to mothers physically dependent on DILAUDID (hydromorphone hydrochloride) will also be physically dependent and may exhibit respiratory difficulties and withdrawal symptoms. (see Drug Abuse And Dependence).
Head Injury and Increased Intracranial Pressure: The respiratory depressant effects of DILAUDID (hydromorphone hydrochloride) ORAL LIQUID and DILAUDID (hydromorphone hydrochloride) 8 mg TABLETS with carbon dioxide retention and secondary elevation of cerebrospinal fluid pressure may be markedly exaggerated in the presence of head injury, other intracranial lesions, or preexisting increase in intracranial pressure. Opioid analgesics including DILAUDID® ORAL LIQUID and DILAUDID 8 mg TABLETS (hydromorphone hydrochloride) may produce effects on pupillary response and consciousness which can obscure the clinical course and neurologic signs of further increase in intracranial pressure in patients with head injuries.
Hypotensive Effect: Opioid analgesics, including DILAUDID (hydromorphone hydrochloride) ORAL LIQUID and DILAUDID (hydromorphone hydrochloride) 8 mg TABLETS, may cause severe hypotension in an individual whose ability to maintain blood pressure has already been compromised by a depleted blood volume, or a concurrent administration of drugs such as phenothiazines or general anesthetics (see PRECAUTIONS: DRUG INTERACTIONS). Therefore, DILAUDID (hydromorphone hydrochloride) ORAL LIQUID and DILAUDID (hydromorphone hydrochloride) 8 mg TABLETS should be administered with caution to patients in circulatory shock, since vasodilation produced by the drug may further reduce cardiac output and blood pressure.
Sulfites: Contains sodium metabisulfite, a sulfite that may cause allergic-type reactions including anaphylactic symptoms and life-threatening or less severe asthmatic episodes in certain susceptible people. The overall prevalence of sulfite sensitivity in the general population is unknown and probably low. Sulfite sensitivity is seen more frequently in asthmatic than in nonasthmatic people.
Special Risk Patients: DILAUDID (hydromorphone hydrochloride) ORAL LIQUID and DILAUDID (hydromorphone hydrochloride) 8 mg TABLETS should be given with caution and the initial dose should be reduced in the elderly or debilitated and those with severe impairment of hepatic, pulmonary or renal functions; myxedema or hypothyroidism; adrenocortical insufficiency (e.g., Addison's Disease); CNS depression or coma; toxic psychoses; prostatic hypertrophy or urethral stricture; gall bladder disease; acute alcoholism; delirium tremens; kyphoscoliosis or following gastrointestinal surgery.
The administration of opioid analgesics including DILAUDID (hydromorphone hydrochloride) ORAL LIQUID and DILAUDID (hydromorphone hydrochloride) 8 mg TABLETS may obscure the diagnoses or clinical course in patients with acute abdominal conditions and may aggravate preexisting convulsions in patients with convulsive disorders.
Reports of mild to severe seizures and myoclonus have been reported in severely compromised patients, administered high doses of parenteral hydromorphone, for cancer and severe pain. Opioid administration at very high doses is associated with seizures and myoclonus in a variety of diseases where pain control is the primary focus.
Use in Drug and Alcohol Dependent Patients: DILAUDID (hydromorphone hydrochloride) should be used with caution in patients with alcoholism and other drug dependencies due to the increased frequency of opioid tolerance, dependence, and the risk of addiction observed in these patient populations. Abuse of DILAUDID (hydromorphone hydrochloride) in combination with other CNS depressant drugs can result in serious risk to the patient.
Hydromorphone is an opioid with no approved use in the management of addictive disorders.
Use in Ambulatory Patients: DILAUDID (hydromorphone hydrochloride) ORAL LIQUID and DILAUDID (hydromorphone hydrochloride) 8 mg TABLETS may impair mental and/or physical ability required for the performance of potentially hazardous tasks (e.g. driving, operating machinery). Patients should be cautioned accordingly. DILAUDID (hydromorphone hydrochloride) may produce orthostatic hypotension in ambulatory patients.
Use in Biliary Tract Disease: Opioid analgesics, including DILAUDID (hydromorphone hydrochloride) ORAL LIQUID and DILAUDID (hydromorphone hydrochloride) 8 mg TABLETS, should also be used with caution in patients about to undergo surgery of the biliary tract since it may cause spasm of the sphincter of Oddi.
Tolerance and Physical Dependence
Tolerance is the need for increasing doses of opioids to maintain a defined effect such as analgesia (in the absence of disease progression or other external factors). Physical dependence is manifested by withdrawal symptoms after abrupt discontinuation of a drug or upon administration of an antagonist. Physical dependence and tolerance are not unusual during chronic opioid therapy.
The opioid abstinence or withdrawal syndrome is characterized by some or all of the following: restlessness, lacrimation, rhinorrhea, yawning, perspiration, chills, myalgia, mydriasis. Other symptoms also may develop, including: irritability, anxiety, backache, joint pain, weakness, abdominal cramps, insomnia, nausea, anorexia, vomiting, diarrhea, or increased blood pressure, respiratory rate, or heart rate.
In general, opioids used regularly should not be abruptly discontinued.
Carcinogenesis, Mutagenesis, Impairment of Fertility
No carcinogenicity studies have been conducted in animals.
Hydromorphone was not mutagenic in the in vitro Ames reverse mutation assay or the human lymphocyte chromosome aberration assay. Hydromorphone was not clastogenic in the in vivo mouse micronucleus assay.
No effects on fertility, reproductive performance, or reproductive organ morphology were observed y in male or female rats given oral doses up to 7 mg/kg/day, which is equivalent to the human dose of 2.5-10 mg every 3 to 6 hours for oral liquid, and 3-fold higher than the human dose of 2-4 mg every 4 to 6 hours for the tablet on a body surface area basis..
Pregnancy Category C
No effects on teratogenicity or embryotoxicity were observed in female rats given oral doses up to 7 mg/kg/day, which is approximately equivalent to the human dose of 2.5-10 mg every 3 to 6 hours for oral liquid, and 3-fold higher than the human dose of 2-4 mg every 4 to 6 hours for the tablet on a body surface area basis. Hydromorphone produced skull malformations (exencephaly and cranioschisis) in Syrian hamsters given oral doses up to 20 mg/kg during the peak of organogenesis (gestation days 8-9). The skull malformations were observed at doses approximately 2-fold higher the human dose of 2.5-10 mg every 3 to 6 hours for oral liquid, and 7-fold higher than the human dose of 2-4 mg every 4 to 6 hours for the tablet on a body surface area basis. There are no adequate and well-controlled studies of DILAUDID (hydromorphone hydrochloride) in pregnant women.
Hydromorphone crosses the placenta, resulting in fetal exposure. DILAUDID (hydromorphone hydrochloride) ORAL LIQUID and DILAUDID (hydromorphone hydrochloride) 8 mg TABLETS should be used in pregnant women only if the potential benefit justifies the potential risk to the fetus (see Labor and Delivery and Drug Abuse And Dependence).
Nonteratogenic effects: Babies born to mothers who have been taking opioids regularly prior to delivery will be physically dependent. The withdrawal signs include irritability and excessive crying, tremors, hyperactive reflexes, increased respiratory rate, increased stools, sneezing, yawning, vomiting, and fever. The intensity of the syndrome does not always correlate with the duration of maternal opioid use or dose. There is no consensus on the best method of managing withdrawal. Approaches to the treatment of this syndrome have included supportive care and, when indicated, drugs such as paregoric or phenobarbital.
Labor and Delivery
DILAUDID (hydromorphone hydrochloride) ORAL LIQUID and DILAUDID (hydromorphone hydrochloride) 8 mg TABLETS are contraindicated in Labor and Delivery (see CONTRAINDICATIONS).
Low levels of opioid analgesics have been detected in human milk. As a general rule, nursing should not be undertaken while a patient is receiving DILAUDID (hydromorphone hydrochloride) ORAL LIQUID and DILAUDID (hydromorphone hydrochloride) 8 mg TABLETS since it, and other drugs in this class, may be excreted in the milk.
Safety and effectiveness in children have not been established.
Clinical studies of DILAUDID (hydromorphone hydrochloride) did not include sufficient numbers of subjects aged 65 and over to determine whether they respond differently from younger subjects. In general, dose selection for an elderly patient should be cautious, usually starting at the low end of the dosing range, reflecting the greater frequency of decreased hepatic, renal, or cardiac function, and of concomitant disease or other drug therapy (see Individualization of Dosages and PRECAUTIONS).
Last reviewed on RxList: 8/12/2011
This monograph has been modified to include the generic and brand name in many instances.
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