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Patients should be cautioned regarding the following:

Drowsiness, dizziness, or lightheadedness related to the use of this medication may impair mental and/or physical abilities required for the performance of potentially hazardous tasks, such as driving a car, operating machinery, etc.

This medication, like other opioid analgesics, will add to the effect of alcohol and other CNS depressants [such as antihistamines, sedatives, hypnotics, tranquilizers, general anesthetics, phenothiazines, other opioids, tricyclic antidepressants, and monoamine oxidase (MAO) inhibitors]. Alcohol should not be consumed while taking NUMORPHAN (oxymorphone) .

Withdrawal side effects may be precipitated by suddenly stopping this drug after prolonged use (regular use for several weeks or more). The medication should be gradually reduced before completely discontinuing use.

Elderly patients are more sensitive to opioid analgesics, especially the respiratory depressant effects and opioid induced urinary retention. Lower doses or longer dosing intervals may be required.

Orthostatic hypotension may occur with the use of this medication, especially in ambulatory patients. Patients should get up slowly from a lying or sitting position.

NUMORPHAN (oxymorphone hydrochloride, USP) may be habit forming and has the potential for being abused. Tolerance, psychological and physical dependence can occur.

Safe use in pregnancy has not been established. Prolonged use of opioid analgesics during pregnancy may cause fetal-neonatal physical dependence, and neonatal withdrawal may occur.

Last reviewed on RxList: 6/24/2008
This monograph has been modified to include the generic and brand name in many instances.


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