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Butorphanol (Injection)

Butorphanol (bue-TOR-fa-nol)

Treats pain. This medicine is a narcotic.

Brand Name(s):

Novaplus Butorphanol Tartrate, Stadol

There may be other brand names for this medicine.

When This Medicine Should Not Be Used:

This medicine is not right for everyone. Do not use it if you had an allergic reaction to butorphanol or to benzethonium chloride.

How to Use This Medicine:

Injectable

  • Your doctor will prescribe your exact dose and tell you how often it should be given. This medicine is given as a shot into a muscle or vein.
  • A nurse or other health provider will give you this medicine.
  • Missed dose: Call your doctor or pharmacist for instructions.

Drugs and Foods to Avoid:

Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

  • Tell your doctor if you use anything else that makes you sleepy. Some examples are allergy medicine, narcotic pain medicine, and alcohol.

Warnings While Using This Medicine:

  • Tell your doctor if you are pregnant or breastfeeding, or if you have lung problems, heart disease, liver disease, kidney disease, or a history of head injury or drug abuse.
  • This medicine can be habit-forming. Do not use more than your prescribed dose. Call your doctor if you think your medicine is not working.
  • Do not stop using this medicine suddenly. Your doctor will need to slowly decrease your dose before you stop it completely.
  • This medicine may make you dizzy or drowsy. Do not drive or do anything that could be dangerous until you know how this medicine affects you.
  • This medicine may cause constipation, especially with long-term use. Ask your doctor if you should 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
  • Confusion, seeing or hearing things that are not there
  • Fast or irregular heartbeat
  • Lightheadedness or fainting
  • Trouble breathing
  • Trouble urinating
  • Unusual weakness

If you notice these less serious side effects, talk with your doctor:

  • Blurred vision
  • Nausea, vomiting, or constipation
  • Ringing in your ears, or ear pain
  • Sleepiness or trouble sleeping

If you notice other side effects that you think are caused by this medicine, tell your doctor

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088


Last Updated: 11/4/2014
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