Activates opioid receptors that naturally exist in your body, which have a number of effects on your body. One of these is to provide analgesia and relieve pain, which is what the drug is used for.

Like other opioids, it mimics the effect of natural opioids in your body.  

Used to relieve moderate to severe pain in people whose pain is not controlled with other medications. 

Brand names of morphine include:
*Opana
*Opana ER (Removed due to FDA request)
*Numorphan (suppository and injectable solution)

Take this medication on a regular schedule as directed by your doctor, not as needed for sudden (breakthrough) pain.

**Do NOT increase your dose, take the medication more frequently, or take it for a longer time than prescribed. Properly stop the medication when so directed.**

Common side effects of oxymorphone include:
*nausea
vomiting
*fever
*constipation
*increased sweating
*lightheadedness
*headache
*dizziness
*drowsiness
*rash
*itching

Stop using oxymorphone and call your doctor at once if you have a serious side effect such as:
*shallow breathing, slow heartbeat;
*seizure (convulsions);
*cold, clammy skin;
*confusion;
*severe weakness or dizziness; or
*feeling light-headed, fainting 

*Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely.

*Oxymorphone may be habit-forming and should be used only by the person it was prescribed for. Keep the medication in a secure place where others cannot get to it.

*Do not drink alcohol while you are taking oxymorphone. Dangerous side effects or death can occur when alcohol is combined with a narcotic pain medicine. Check your food and medicine labels to be sure these products do not contain alcohol. 

Please consult your doctor/physician before considering alternatives and see if they are right for you.
*Oxycodone
*Fentanyl
*Tramadol
*Methadone
*Morphine