Relieves pain. This medicine is a narcotic analgesic.
There may be other brand names for this medicine.
When This Medicine Should Not Be Used
You should not use this medicine if you have had an allergic reaction to levorphanol.
How to Use This Medicine
- Your doctor will tell you how much of this medicine to use and how often. Your dose may need to be changed several times in order to find out what works best for you. Do not use more medicine or use it more often than your doctor tells you to.
- You may take this medicine with or without food.
- Drink plenty of fluids to help avoid constipation.
If a dose is missed:
- This medicine needs to be given on a fixed schedule. If you miss a dose or forget to use your medicine, call your doctor or pharmacist for instructions.
How to Store and Dispose of This Medicine
- Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.
- Ask your pharmacist, doctor, or health caregiver about the best way to dispose of any outdated medicine or medicine no longer needed.
- Keep all medicine away from children and never share your medicine with anyone.
Drugs and Foods to Avoid
Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.
- Make sure your doctor knows if are using droperidol, hydroxyzine, or phenothiazines such as prochlorperazine, Compazine®, Phenergan®, Thorazine®, or Trilafon®.
- Make sure your doctor knows if you are also using an MAO inhibitor (MAOI) such as Eldepryl®, Marplan®, Nardil®, or Parnate®.
- Tell your doctor if you are using any medicines that make you sleepy. These include sleeping pills, cold and allergy medicine, narcotic pain relievers, and sedatives.
- Do not drink alcohol while you are using this medicine.
Warnings While Using This Medicine
- Make sure your doctor knows if you are pregnant or breast feeding, or if you have had an allergic reaction to a pain medicine in the past.
- Make sure your doctor knows if you have asthma, brain disease, gallbladder disease, heart disease, kidney disease, liver disease, or lung problems such as asthma or emphysema.
- Make sure your doctor knows if you have had a serious head injury, or any medical condition that causes increased pressure in your head.
- This medicine may be habit-forming. If you feel that the medicine is not working as well, do not use more than your prescribed dose. Call your doctor for instructions.
- Do not stop using this medicine suddenly without asking your doctor. You may need to slowly decrease your dose before stopping it completely.
- This medicine may make you drowsy. Avoid driving, using machines, or doing anything else that could be dangerous if you are not alert.
- This medicine may cause constipation. This is more common if you use it for a long time. Ask your doctor if you should also use a laxative to prevent and treat constipation.
Possible Side Effects While Using This Medicine
Call your doctor right away if you notice any of these side effects:
- Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
- Decrease in how much or how often you urinate.
- Lightheadedness or fainting.
- Severe vomiting, pain in your stomach.
- Slow heartbeat.
- Slow or shallow breathing.
If you notice these less serious side effects, talk with your doctor:
- Blurred vision.
- Bad dreams or abnormal thoughts.
- Confusion, dizziness, drowsiness, or tired feeling.
- Depression (feeling sad).
- Mild skin rash or itching.
- Nausea or mild vomiting, loss of appetite.
- Warmth or redness in your face, neck, arms, or upper chest.