Butorphanol (Nasal Route)

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Side Effects

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur:

• Bloody nose
• Body aches or pain
• Burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
• Chills
• Cough
• Cough producing mucus
• Difficult or labored breathing
• Difficulty with breathing
• Ear congestion
• Fast, irregular, pounding, or racing heartbeat or pulse
• Feeling faint, dizzy, or lightheaded
• Feeling of warmth or heat
• Fever
• Flushing or redness of the skin, especially on the face and neck
• Headache
• Loss of voice
• Runny nose
• Shakiness in the legs, arms, hands, or feet
• Shortness of breath
• Sneezing
• Sore throat
• Stuffy nose
• Sweating
• Tightness in the chest
• Trembling or shaking of the hands or feet
• Unusual tiredness or weakness
• Wheezing

• Blurred vision
• Chest pain
• Confusion
• Dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
• Fainting
• Shallow breathing

• Bluish lips or skin
• Convulsion
• Not breathing

Get emergency help immediately if any of the following symptoms of overdose occur:

• Change in consciousness
• Extremely shallow or slow breathing
• Loss of consciousness

Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

• Nausea
• Sleepiness or unusual drowsiness
• Sleeplessness
• Trouble sleeping
• Unable to sleep
• Vomiting

• Bad or unusual or unpleasant (after) taste
• Continuing ringing or buzzing or other unexplained noise in the ears
• Difficulty having a bowel movement (stool)
• Dry mouth
• Ear pain
• False or unusual sense of well-being
• Fear or nervousness
• Floating feeling
• Hearing loss
• Lack or loss of strength
• Loss of appetite
• Pain or tenderness around the eyes and cheekbones
• Sneezing
• Stomach pain
• Tender, swollen glands in the neck
• Trouble with swallowing
• Unusual drowsiness, dullness, tiredness, weakness, or feeling of sluggishness
• Voice changes
• Weight loss

• Dizziness or lightheadedness
• False beliefs that cannot be changed by facts
• Feeling of constant movement of self or surroundings
• Sensation of spinning

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

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

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