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Fentanyl Citrate Injection in the UK: A Guide to Brand Names, Uses, and Clinical Overview
Fentanyl citrate is a powerful synthetic opioid analgesic, extensively recognized in scientific medication for its fast beginning and short period of action. Within the United Kingdom's healthcare system, fentanyl plays a vital role in perioperative care, extensive care, and the management of intense, extreme discomfort. Since of its strength— estimated to be 50 to 100 times that of morphine— its administration via injection is strictly controlled and usually scheduled for healthcare facility settings.
For health care experts, trainees, or patients looking for to comprehend the pharmacological landscape in the UK, identifying the available trademark name and makers of fentanyl citrate injection is essential. website offers a comprehensive summary of the brand, scientific indicators, and regulatory status of fentanyl citrate injections in the United Kingdom.
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What is Fentanyl Citrate?
Fentanyl citrate is a phenylpiperidine derivative that serves as a powerful agonist at the μ-opioid (mu-opioid) receptors in the main nerve system. When administered through intravenous (IV) or intramuscular (IM) injection, it supplies fast analgesia. In the UK, it is categorized as a Class A managed drug under the Misuse of Drugs Act 1971 and falls under Schedule 2 of the Misuse of Drugs Regulations 2001.
Its primary appeal in surgical settings is its ability to supply intense pain relief while keeping hemodynamic stability, making it a favored option for heart surgical treatments and for clients with vulnerable cardiovascular systems.
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Fentanyl Citrate Injection Brand Names and Manufacturers in the UK
In the UK market, numerous pharmaceutical items are recommended by their generic name (Fentanyl) instead of a trademark name. Nevertheless, several makers provide the NHS and personal hospitals with specific solutions. Historically, the most famous brand name related to fentanyl citrate was Sublimaze, initially developed by Janssen Pharmaceutica. While the name Sublimaze is still utilized globally and informally in some UK theatres, most of the supply in the UK is now provided by generic manufacturing professionals.
Table 1: Common Manufacturers and Product Details in the UK
Manufacturer
Product Description
Typical Strengths
Hameln Pharma
Fentanyl Citrate Injection BP
50 micrograms/ml (2ml, 10ml ampoules)
Wockhardt UK
Fentanyl Citrate Injection
50 micrograms/ml (2ml, 10ml ampoules)
Martindale Pharma
Fentanyl Citrate
50 micrograms/ml (2ml, 10ml, 20ml ampoules)
Janssen-Cilag
Sublimaze (Historical Brand)
50 micrograms/ml
Pirimal Critical Care
Fentanyl Citrate Injection
50 micrograms/ml
While the trademark name “Sublimaze” may still appear on some procurement lists, the UK medical landscape is controlled by Hameln and Martindale generic versions, which are bioequivalent to the original top quality product.
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Scientific Indications for Injection
Fentanyl citrate injection is used across various departments, from the Emergency Department (ED) to the Operating Theatre. Its use is usually divided into three classifications:
1. Anaesthesia
Fentanyl is a foundation of modern-day anaesthesia. It is utilized as an analgesic supplement throughout the induction and maintenance of general anaesthesia. It assists blunt the body's physiological “tension reaction” to intubation and surgical incision.
2. Post-operative Recovery
In the Recovery Room (PACU), fentanyl might be administered in small, titrated boluses to manage immediate post-surgical pain before transitions are made to longer-acting opioids or oral medications.
3. Intensive Care (ICU)
In the Intensive Care Unit, fentanyl is frequently used as an infusion to supply constant analgesia for clients who are mechanically ventilated. Its brief half-life enables more foreseeable “wake-up” tests compared to drugs like morphine.
Table 2: Clinical Application Summary
Application
Function of Fentanyl
Pre-medication
To supply sedation and analgesia before moving to theatre.
Induction
To cooperate with induction agents (like Propofol) for a smooth transition to unconsciousness.
Maintenance
To handle the surgical pain stimulus throughout the treatment.
Analgesic Supplement
Utilized in regional anaesthesia (like epidurals) to enhance pain relief.
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System of Action and Pharmacokinetics
Fentanyl works by binding to mu-opioid receptors. This binding hinders ascending discomfort pathways, modifying the perception of and reaction to discomfort. It also increases the pain threshold.
- Beginning of Action: 1— 2 minutes (Intravenous).
- Peak Effect: 3— 5 minutes.
- Duration: 30— 60 minutes (making it extremely titratable).
- Metabolic process: Primarily in the liver through the CYP3A4 enzyme.
- Excretion: Mostly through the kidneys.
Due to the fact that fentanyl is extremely lipid-soluble, it crosses the blood-brain barrier nearly instantly, which discusses why the analgesic result is felt a lot faster than with morphine or oxycodone.
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Security and Side Effects
As with all powerful opioids, fentanyl citrate carries a danger of considerable negative effects, especially associating with the respiratory and cardiovascular systems.
Typical Side Effects:
- Respiratory Depression: The most severe risk; it lowers the drive to breathe.
- Bradycardia: A sluggish heart rate.
- Hypotension: Low high blood pressure.
- Muscle Rigidity: Specifically “wooden chest syndrome,” where the chest wall becomes too stiff to ventilate quickly (normally happens with high-dose quick IV administration).
- Queasiness and Vomiting: Common in the post-operative stage.
- Pruritus: Itching, frequently around the nose or upper body.
Contraindications and Cautions:
- Known hypersensitivity to fentanyl or other opioid agonists.
- Breathing anxiety in the absence of resuscitative devices.
- Concurrent use of Monoamine Oxidase Inhibitors (MAOIs) within the last 14 days (danger of serotonin syndrome).
Myasthenia gravis (due to muscle-relaxing interactions).
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Guideline and Storage in the UK
In the United Kingdom, fentanyl citrate is strictly regulated to prevent diversion and misuse.
- Storage: It should be kept in a locked “Controlled Drugs” (CD) cabinet that satisfies the British Standard for security.
- Record Keeping: Every dosage administered should be taped in a Controlled Drugs Register, signed by 2 competent health care experts (usually a medical professional and a nurse, or more nurses).
Disposal: Any lost or unused portion of an ampoule need to be seen and ruined according to local trust policy (normally utilizing a denaturing set).
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FREQUENTLY ASKED QUESTION: Fentanyl Citrate Injection in the UK
1. Is Sublimaze still readily available in the UK?
While the brand Sublimaze is the “innovator” item, a lot of UK healthcare facilities currently utilize generic versions made by companies like Hameln or Martindale. These are pharmacologically identical.
2. What is the standard concentration of Fentanyl injection in the UK?
The standard concentration is 50 micrograms per millilitre (50 mcg/ml). It is typically available in 2ml (100mcg) and 10ml (500mcg) ampoules.
3. Can Fentanyl injection be provided in the house?
No. Fentanyl citrate injection is almost solely used in medical facility settings (theatre, ICU, A&E) due to the fact that of the risk of quick breathing anxiety, which requires immediate access to oxygen and resuscitation equipment.
4. How does Fentanyl compare to Morphine in strength?
Fentanyl is around 50 to 100 times more powerful than morphine. This suggests 100 micrograms of fentanyl is approximately comparable to 10 milligrams of morphine.
5. What is the remedy for a Fentanyl overdose?
Naloxone (brand name Prenoxad or generic) is the basic opioid antagonist utilized to reverse the effects of fentanyl if respiratory depression takes place.
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Summary
Fentanyl citrate remains one of the most essential medications in the UK's surgical and intensive care environments. While it may be described by the historical trademark name Sublimaze, it is mostly used in its generic kind provided by manufacturers such as Hameln, Wockhardt, and Martindale Pharma.
Its high effectiveness and fast onset make it an exceptional tool for managing acute discomfort and facilitating anaesthesia, but these exact same qualities require the highest level of scientific monitoring and regulatory oversight. Comprehending the brands and the pharmacological profile of this drug is necessary for safe practice and patient security within the NHS and the larger UK health care sector.
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Disclaimer: This post is for informational functions only and does not constitute medical advice. Healthcare specialists ought to constantly refer to the British National Formulary (BNF) or their local Trust standards for dosing and administration protocols.
