Butorphanol (brand names: Stadol, Torbutrol, Torbugesic, Dolorex) is a systemic partial opiate agonist/antagonist used as an analgesic (pain control medication), pre-anesthetic, antitussive (cough suppressant), or antiemetic (prevents vomiting). It is a schedule IV-controlled substance.
What type of opioid is butorphanol?
Background. Butorphanol (bue tor’ fa nol) is a fully synthetic opioid that has both partial agonist and partial antagonist activity to the type opiate receptors, as well as antagonist and partial agonist activity at the opioid receptor.
How does butorphanol work?
This makes butorphanol what is called an agonist/antagonist. Butorphanol stimulates the kappa receptors (pain relief) and the sigma receptors (cough suppression) and antagonizes the mu receptors (pain relief, euphoria, sedation, nausea, respiratory suppression, constipation).
When is butorphanol used?
Butorphanol injection is used to relieve moderate to severe pain. Butorphanol injection is also used to relieve pain during labor and to prevent pain and decrease awareness before or during surgery.
What are the side effects of butorphanol?
Drowsiness, dizziness, blurred vision, flushing, headache, nausea, vomiting, constipation, nasal irritation/congestion, trouble sleeping, dry mouth, and sweating may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.
What are the side effects of allopurinol?
The more common side effects of allopurinol oral tablet can include:
- skin rash.
- diarrhea.
- nausea.
- changes in your liver function test results.
- gout flare-up (if you have gout)
Can butorphanol make you high?
As with other opioids, butorphanol can cause a euphoric high in patients, which is something people may find desirable with this medication. Physicians are instructed to assess patients for misuse potential before prescribing this medication.
When should you not use butorphanol?
Butorphanol tartrate nasal spray is an opioid narcotic pain reliever that is used for the relief of pain when the use of an opioid pain medication is appropriate. Butorphanol tartrate nasal spray comes in the form of a nasal spray. One spray of butorphanol tartrate nasal spray is quickly absorbed in the nasal passages.
How long does a shot of stadol last?
After intramuscular administration, pain relief onset occurred at 30 minutes or less, and peak effect occurred between 30 minutes and 1 hour. The duration of action of Stadol Injection was 34 hours when defined as the time necessary for pain intensity to return to pretreatment level or the time to retreatment.
How often can you use butorphanol?
Adults1 milligram (mg) or 1 spray in one nostril. A second spray may be taken 60 to 90 minutes after the first dose if needed. This may be repeated every 3 to 4 hours as needed. ChildrenUse is not recommended.
How is butorphanol administered?
For pain relief the recommended initial dosage regimen of Butorphanol tartrate injection is 1 mg IV or 2 mg IM with repeated doses every three to four hours as necessary. This dosage regimen is likely to be effective for the majority of patients.
What are the side effects of carprofen?
Adverse reactions may include decreased appetite, vomiting, diarrhea, dark or tarry stools, increased water consumption, increased urination, pale gums due to anemia, yellowing of gums, skin or white of the eye due to jaundice, lethargy, incoordination, seizure, or behavioral changes.
What is the best injection for pain?
One of the most common pain management injections is called an epidural steroid injection. This injection is common for lower back pain but may also help with upper back and neck pain. When injected, steroidal medication is injected into the epidural space around the spinal cord.
What is the strongest injection for pain?
Opioids more powerful than morphine include hydromorphone (Dilaudid) and oxymorphone (Opana). But the strongest opioid in community use is fentanyl which, in its intravenous form, is 70 to 100 times more potent than morphine.
What is the strongest pain relief injection?
Morphine. Morphine and morphine-like drugs (such as oxycodone, fentanyl and buprenorphine) are the strongest painkillers there are. Depending on your individual circumstances, these types of painkiller may be prescribed as a patch, an injection, or sometimes in a pump you control yourself.
What drug class is butorphanol?
8.2FDA Pharmacological Classification
FDA UNII | QV897JC36D |
---|---|
Pharmacological Classes | Mechanisms of Action [MoA] – Partial Opioid Agonists |
FDA Pharmacology Summary | Butorphanol is an Opioid Agonist/Antagonist. The mechanism of action of butorphanol is as a Competitive Opioid Antagonist, and Partial Opioid Agonist. |
What class of drug is buprenorphine?
Buprenorphine is in a class of medications called opioid partial agonist-antagonists and naloxone is in a class of medications called opioid antagonists.
Is butorphanol a sedative?
Butorphanol (0.1 mg/kg, IV or IM) produces a mild level of sedation in camelids. Butorphanol may be used to enhance patient cooperation when the adverse effects of xylazine may not be tolerated. Butorphanol sedation does not generally produce recumbency.
What is the best thing to drink if you have gout?
Drink plenty of water, milk and tart cherry juice. Drinking coffee seems to help as well. Be sure to talk with your doctor before making any dietary changes.
Who Cannot take allopurinol?
chronic heart failure. liver problems. moderate to severe kidney impairment. HLA-B *58:01 positive.
Is 300 mg of allopurinol a lot?
Adults200 to 300 milligrams (mg) per day, taken once a day or in divided doses. Your doctor may adjust your dose as needed. However, the dose is usually not more than 800 mg per day. ChildrenUse and dose must be determined by your doctor.
Can you use buprenorphine and butorphanol together?
Using butorphanol together with other medications that cause central nervous system depression such as buprenorphine can lead to serious side effects including respiratory distress, coma, and even death. You may need a dose adjustment or more frequent monitoring by your doctor to safely use both medications.
Which schedule is butorphanol?
ACTION: Final rule. SUMMARY: With the issuance of this final rule, the Acting Deputy Administrator of the Drug Enforcement Administration (DEA) places the substance butorphanol, including its salts and optical isomers, into Schedule IV of the Controlled Substances Act (CSA).
Does butorphanol have a ceiling effect?
Like other agonist-antagonists, it has a ceiling effect for respiratory depression and analgesia. Common adverse effects of butorphanol are sedation and diaphoresis. It also exhibits dysphoria because of its -agonist activity.
What painkiller goes up your nose?
Butorphanol nasal spray is used to relieve moderate to severe pain. Butorphanol is in a class of medications called opioid agonist-antagonists. It works by changing the way the body senses pain.
What is the generic name for butorphanol?
Stadol (butorphanol tartrate) is a narcotic pain reliever, similar to morphine used to treat moderate to severe pain.
Does butorphanol provide analgesia?
Butorphanol is an agonist-antagonist opioid and exhibits a ceiling effect after which increasing the dose does not produce any further analgesia.
Is Stadol still used?
Stadol is the brand name of a pain reliever developed and sold by the Bristol Myers Squibb pharmaceutical company. It is now discontinued. However, the drug is still available in the US under the generic name of butorphanol as well as in other countries under different brand names.
What is the generic name for Stadol?
GENERIC NAME: BUTORPHANOL TARTRATE – NASAL (bue-TOR-fa-nol TAR-trate)
Is butorphanol discontinued?
Butorphanol is a generic name, and there is a brand-name version of the drug called Stadol, although the manufacturer did recently discontinue this medication. Now, butorphanol is available only in generic versions, and various laboratories including Mylan and Novex manufacture them.

Graduated from ENSAT (national agronomic school of Toulouse) in plant sciences in 2018, I pursued a CIFRE doctorate under contract with Sun’Agri and INRAE in Avignon between 2019 and 2022. My thesis aimed to study dynamic agrivoltaic systems, in my case in arboriculture. I love to write and share science related Stuff Here on my Website. I am currently continuing at Sun’Agri as an R&D engineer.