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Butorphanol is used for pain

How it works

Butorphanol decreases the perception of pain by blocking the transmission of pain signals to the brain.

Common side effects

Nausea, Nervousness, Tingling sensation of extremity, Numbness of extremity, Agitation, Blurred vision, Confusion, Constipation, Dizziness, Dry mouth, Altered taste, Difficulty in urination, Ear pain, Flushing, Happiness, Headache, Increased sweating, Insomnia, Loss of appetite, Ringing in ear, Depression, Stomach pain, Tremor, Vomiting, Weakness, Fatigue

Available Medicine

Expert advice

  • Inform your doctor before taking butorphanol if you suffer from brain disorders, respiratory failure, liver, kidney or heart diseases, changes in blood pressure, head injuries or history of drug dependence.
  • Ensure that you do not take more than required amount of butorphanol as it may lead to dependency.
  • Do not drive or operate heavy machinery while taking butorphanol as it may cause drowsiness and dizziness.
  • Do not consume alcohol while taking Butorphanol as it may worsen the side effects.
  • Tell your doctor if you are or planning to become pregnant or are breastfeeding.

Frequently asked questions


Q. Is butorphanol safe?
Yes. Butorphanol is relatively safe if used as recommended. In case of any side-effects, consult your doctor

Q. Is butorphanol addictive, narcotic or controlled substance?
Yes. Butorphanol is a narcotic and controlled substance. It causes addiction upon illegitimate or prolonged use

Q. How does butorphanol work?
Butorphanol works by binding to certain receptors in the brain that are responsible for blocking the sensation of pain.

Content on this page was last updated on 02 January, 2017, by Dr. Varun Gupta (MD Pharmacology)