Levorphanol is an opioid pain medication. An opioid is sometimes called a narcotic.
Levorphanol is used to treat moderate to severe pain.
Levorphanol may also be used for purposes not listed in this medication guide.
Levorphanol can slow or stop your breathing. Never use levorphanol in larger amounts, or for longer than prescribed.
Never share the medicine with another person. MISUSE OF NARCOTIC PAIN MEDICATION CAN CAUSE ADDICTION, OVERDOSE, OR DEATH, especially in a child or other person using the medicine without a prescription.
You should not use levorphanol if you are allergic to it.
To make sure levorphanol is safe for you, tell your doctor if you have:
Levorphanol is more likely to cause breathing problems in older adults and people who are severely ill, malnourished, or otherwise debilitated.
Levorphanol may be habit-forming. Never share levorphanol with another person, especially someone with a history of drug abuse or addiction. Keep the medication in a place where others cannot get to it. Selling or giving away levorphanol is against the law.
FDA pregnancy category C. It is not known whether levorphanol will harm an unborn baby. Levorphanol may cause breathing problems in your newborn if you use the medication during pregnancy. Tell your doctor if you are pregnant.
It is not known whether levorphanol passes into breast milk or if it could harm a nursing baby. You should not breast-feed while you are using levorphanol.
Do not give this medication to anyone under 18 years old without medical advice.
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Stop using levorphanol and call your doctor at once if you have:
Common side effects may include:
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
Levorphanol may impair your thinking or reactions. Avoid driving or operating machinery until you know how this medicine will affect you. Dizziness or severe drowsiness can cause falls or other accidents.
Do not drink alcohol. Dangerous side effects or death can occur when alcohol is combined with levorphanol. Check your food and medicine labels to be sure these products do not contain alcohol.
Taking this medicine with other drugs that make you sleepy or slow your breathing can cause dangerous or life-threatening side effects. Ask your doctor before taking levorphanol with a sleeping pill, narcotic pain medicine, muscle relaxer, or medicine for anxiety, depression, or seizures.
Tell your doctor about all medicines you use, and those you start or stop using during your treatment with levorphanol, especially:
This list is not complete. Other drugs may interact with levorphanol, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible interactions are listed in this medication guide.
Follow all directions on your prescription label. Levorphanol can slow or stop your breathing. Never use levorphanol in larger amounts, or for longer than prescribed. Tell your doctor if the medicine seems to stop working as well in relieving your pain.
Your dose needs may be different if you are already being treated with a similar opioid medicine and your body is tolerant to it.
Oral levorphanol is taken by mouth. Levorphanol injection is injected under your skin or into a muscle, or into a vein through an IV. A healthcare provider will give you this injection.
Never share the medicine with another person. MISUSE OF NARCOTIC PAIN MEDICATION CAN CAUSE ADDICTION, OVERDOSE, OR DEATH.
Do not stop using levorphanol suddenly after long-term use, or you could have unpleasant withdrawal symptoms. Ask your doctor how to avoid withdrawal symptoms when you stop using levorphanol.
Store at room temperature away from moisture and heat.
Keep track of the amount of medicine used from each new bottle. Levorphanol is a drug of abuse and you should be aware if anyone is using your medicine improperly or without a prescription.
Never crush or break a levorphanol pill to inhale the powder or mix it into a liquid to inject the drug into your vein. This practice has resulted in death with the misuse of levorphanol and similar prescription drugs.
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222. A levorphanol overdose can be fatal, especially in a child or other person using the medicine without a prescription. Overdose symptoms may include slow breathing and heart rate, severe drowsiness, muscle weakness, cold and clammy skin, pinpoint pupils, and fainting.
Since levorphanol is used for pain, you are not likely to miss a dose. Skip any missed dose if it is almost time for your next scheduled dose. Do not use extra medicine to make up the missed dose.
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Latest Update: 11/5/2014, Version: 6.01
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