Butorphanol - Drug Information

Generic Name : Butorphanol | Pronunciation : byoo-TOR-fan-ahl
J E 4

Latest prescription information about Butorphanol. Learn how to pronounce the drug's name, its indications, dosage, how to take, when to take, when not to take, side effects, special precautions, its storage instructions and warnings if any when taken during pregnancy. Also listed are the International and Indian trade name(s) of the drug and its price list.
ICD Code : Y45.0 | Therapeutic Classification : Analgesics
Drug Information

Trade Name(s): 

India : 

International : 


Why it is prescribed : 

This medication is an opioid analgesic, prescribed to alleviate pain post operatively, migraine, balanced general anesthesia, and used to relieve pain during labor. It blocks the pain sensations. 

When it is not to be taken (Contraindications): 


Pregnancy Category :






Category C :

Animal studies have shown adverse effects on the fetus and there are no appropriate studies in pregnant women, but potential benefits may allow the use of the drug in pregnant women despite the potential for risks.

Dosage & When it is to be taken (Indications): 

1 mg IV or 2 mg IM with repeated doses every 3 to 4 hours, as necessary. 1 mg (one spray in one nostril), it may be increased up to 2mg dose, if needed.

How it should be taken : 

It comes as a nasal spray, injection.

Warnings and Precautions : 

Since it is a narcotic, it could cause dependence.
Use in narcotic dependent patients should be avoided.
It may cause drowsiness, dizziness. Do not drive a car or operate machinery while taking this medication.
Do not drink alcoholic beverages while using this injection.
Caution needed in patients with history of head injury, any condition that increases the pressure in your brain or skull, problems with brain or nervous system, heart attack, breathing problems, high blood pressure, heart, kidney or liver disease, elderly, pregnancy and lactation.

Side Effects : 

  Body as a Whole
- Loss of strength/lethargy, headache and sensation of heat.

- Irregular heartbeat, palpitations and dilatation of blood vessels.

  Central Nervous System
- Nervousness, a floating feeling, headache, confusion, drowsiness, dizziness, in co-ordination anxiety, seizures, tremor and sleeplessness.

- Itching, sweating/clamminess, rash and hives.

  Eye and ENT
- Nasal congestion, blurred vision, ear pain, inflammation of pharynx, stuffy nose, ringing in the ear and unpleasant taste.

- Nausea, vomiting, loss of appetite, constipation, dry mouth and stomach pain.

- Bronchitis, cough, difficulty in breathing, nose bleed, nasal congestion, nasal irritation, sinusitis and upper respiratory tract infection.

- Impaired urination.

Other Precautions : 

Avoid prolonged usage and excess dosage.

Storage Conditions : 

Keep in room temperature and in air tight container. Keep away from children.


You May Also Like

View All

Post your Comments

Comments should be on the topic and should not be abusive. The editorial team reserves the right to review and moderate the comments posted on the site.
User Avatar
* Your comment can be maximum of 2500 characters
I agree to the terms and conditions
Amphotericin B - Drug Information
Dinoprostone - Drug Information