Do not use this medication if you have ever had an allergic reaction to a narcotic medicine (examples include codeine, methadone, morphine, Oxycontin, Darvocet, Percocet, Vicodin, Lortab, and many others). You should also not take levorphanol if you are having an asthma attack or if you have a bowel obstruction called paralytic ileus.
Levorphanol may be habit-forming and should be used only by the person it was prescribed for. Levorphanol should never be given to another person, especially someone who has a history of drug abuse or addiction. Keep the medication in a secure place where others cannot get to it.
Before using levorphanol, tell your doctor if you are allergic to any drugs, or if you have:
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asthma, COPD, sleep apnea, or other breathing disorders;
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liver or kidney disease;
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underactive thyroid;
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curvature of the spine;
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a history of head injury or brain tumor;
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epilepsy or other seizure disorder;
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low blood pressure;
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gallbladder disease;
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Addison’s disease or other adrenal gland disorders;
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enlarged prostate, urination problems;
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mental illness; or
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a history of drug or alcohol addiction.
FDA pregnancy category C. This medication may be harmful to an unborn baby, and could cause addiction or withdrawal symptoms in a newborn. Tell your doctor if you are pregnant or plan to become pregnant during treatment.
Levorphanol can pass into breast milk and may harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.
Older adults may be more sensitive to the effects of this medicine.
Take this medication exactly as it was prescribed for you.
Take this medicine with a full glass of water.
Take levorphanol with food or milk if it upsets your stomach.
Do not stop using levorphanol suddenly, or you could have unpleasant withdrawal symptoms. Talk to your doctor about how to avoid withdrawal symptoms when stopping the medication.
Store levorphanol at room temperature away from moisture and heat.
Keep track of how many tablets have been used from each new bottle of this medicine. Levorphanol is a drug of abuse and you should be aware if any person in the household is using this medicine improperly or without a prescription.
Since levorphanol is sometimes used as needed, you may not be on a dosing schedule. If
you are using the medication regularly, take the missed dose as soon as you remember. If it is
almost time for the next dose, skip the missed dose and wait until your next regularly scheduled
dose.
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have any of these serious side effects:
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shallow breathing, slow heartbeat;
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seizure (convulsions);
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cold, clammy skin;
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confusion;
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severe weakness or dizziness; or
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feeling light-headed, fainting.
Less serious side effects are more likely to occur, such as:
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nausea, vomiting, constipation, loss of appetite;
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dizziness, headache, tired feeling;
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dry mouth;
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sweating;
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itching;
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urinating less than usual; or
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loss of interest in sex.
This list is not complete and other side effects may occur. Tell your doctor about any unusual or bothersome side effect.
Levorphanol may be habit-forming and should be used only by the person it was prescribed for. Levorphanol should never be given to another person, especially someone who has a history of drug abuse or addiction. Keep the medication in a secure place where others cannot get to it.
Do not drink alcohol while you are taking levorphanol. 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.
Never take more levorphanol than is prescribed. Tell your doctor if the medicine seems to stop working as well in relieving your pain.
Levorphanol can cause side effects that may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be awake and alert.
Do not stop using levorphanol suddenly, or you could have unpleasant withdrawal symptoms. Talk to your doctor about how to avoid withdrawal symptoms when stopping the medication.
Do not drink alcohol while you are using levorphanol. 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.
Levorphanol can cause side effects that may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be awake and alert.
Do not take levorphanol with other narcotic pain medications, sedatives, tranquilizers, muscle relaxers, or other medicines that can make you sleepy or slow your breathing. Dangerous side effects may result.
Before taking levorphanol, tell your doctor if you are using pentazocine (Talwin), nalbuphine (Nubain), butorphanol (Stadol), or buprenorphine (Buprenex, Subutex). If you are using any of these drugs, you may not be able to use levorphanol, or you may need dosage adjustments or special tests during treatment.
There may be other drugs that can interact with levorphanol. Tell your doctor about all the prescription and over-the-counter medications you use. This includes vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start using a new medication without telling your doctor.
Seek emergency medical attention if you think you have used too much of this medicine. An overdose of levorphanol can be fatal.
Overdose symptoms may include extreme drowsiness, pinpoint pupils, confusion, cold and clammy skin, weak pulse, shallow breathing, fainting, or breathing that stops.
