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Fentanyl Citrate Injection in the UK: A Guide to Brand Names, Uses, and Clinical Overview

Fentanyl citrate is a potent synthetic opioid analgesic, widely recognized in clinical medicine for its rapid beginning and brief period of action. Within the United Kingdom's health care system, fentanyl plays an important function in perioperative care, intensive care, and the management of severe, severe discomfort. Since of its strength-- estimated to be 50 to 100 times that of morphine-- its administration via injection is strictly controlled and typically booked for healthcare facility settings.

For health care professionals, students, or patients seeking to comprehend the pharmacological landscape in the UK, determining the readily available brand and producers of fentanyl citrate injection is vital. This blog post provides a detailed summary of the trademark name, medical indicators, and regulatory status of fentanyl citrate injections in the United Kingdom.


What is Fentanyl Citrate?

Fentanyl citrate is a phenylpiperidine derivative that functions as a potent agonist at the μ-opioid (mu-opioid) receptors in the main nervous system. When administered via intravenous (IV) or intramuscular (IM) injection, it offers rapid analgesia. In the UK, it is categorized as a Class A controlled 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 capability to supply intense discomfort relief while keeping hemodynamic stability, making it a preferred option for cardiac surgical treatments and for clients with fragile cardiovascular systems.


Fentanyl Citrate Injection Brand Names and Manufacturers in the UK

In the UK market, lots of pharmaceutical items are recommended by their generic name (Fentanyl) instead of a brand name. However, numerous manufacturers supply the NHS and private hospitals with particular formulations. Historically, the most famous brand name connected with fentanyl citrate was Sublimaze, originally developed by Janssen Pharmaceutica. While the name Sublimaze is still utilized globally and colloquially in some UK theatres, most of the supply in the UK is now provided by generic production professionals.

Table 1: Common Manufacturers and Product Details in the UK

Producer

Product Description

Common 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 brand "Sublimaze" may still appear on some procurement lists, the UK medical landscape is dominated by Hameln and Martindale generic versions, which are bioequivalent to the initial top quality item.


Scientific Indications for Injection

Fentanyl citrate injection is used throughout different departments, from the Emergency Department (ED) to the Operating Theatre. Its usage is typically divided into three categories:

1. Anaesthesia

Fentanyl is a cornerstone of modern anaesthesia. It is used as an analgesic supplement throughout the induction and maintenance of general anaesthesia. It assists blunt the body's physiological "tension action" to intubation and surgical incision.

2. Post-operative Recovery

In the Recovery Room (PACU), fentanyl might be administered in little, titrated boluses to manage immediate post-surgical discomfort before transitions are made to longer-acting opioids or oral medications.

3. Intensive Care (ICU)

In the Intensive Care Unit, fentanyl is often utilized as an infusion to offer continuous analgesia for clients who are mechanically aerated. Its short half-life permits more foreseeable "wake-up" tests compared to drugs like morphine.

Table 2: Clinical Application Summary

Application

Function of Fentanyl

Pre-medication

To offer sedation and analgesia before moving to theatre.

Induction

To work together with induction agents (like Propofol) for a smooth transition to unconsciousness.

Maintenance

To manage the surgical discomfort stimulus throughout the procedure.

Analgesic Supplement

Used in local anaesthesia (like epidurals) to enhance discomfort relief.


Mechanism of Action and Pharmacokinetics

Fentanyl works by binding to mu-opioid receptors. This binding hinders rising pain pathways, altering the understanding of and action to discomfort. It likewise increases the discomfort limit.

  • Start of Action: 1-- 2 minutes (Intravenous).
  • Peak Effect: 3-- 5 minutes.
  • Period: 30-- 60 minutes (making it extremely titratable).
  • Metabolic process: Primarily in the liver by means of the CYP3A4 enzyme.
  • Excretion: Mostly via the kidneys.

Because fentanyl is highly lipid-soluble, it crosses the blood-brain barrier practically quickly, which discusses why the analgesic result is felt so much faster than with morphine or oxycodone.


Security and Side Effects

Similar to all potent opioids, fentanyl citrate brings a threat of significant negative effects, especially connecting to the respiratory and cardiovascular systems.

Common Side Effects:

  • Respiratory Depression: The most major risk; it decreases the drive to breathe.
  • Bradycardia: A slow heart rate.
  • Hypotension: Low blood pressure.
  • Muscle Rigidity: Specifically "wood chest syndrome," where the chest wall becomes too stiff to ventilate easily (normally accompanies high-dose quick IV administration).
  • Nausea and Vomiting: Common in the post-operative phase.
  • Pruritus: Itching, typically around the nose or torso.

Contraindications and Cautions:

  • Known hypersensitivity to fentanyl or other opioid agonists.
  • Respiratory anxiety in the absence of resuscitative equipment.
  • Concurrent use of Monoamine Oxidase Inhibitors (MAOIs) within the last 14 days (threat of serotonin syndrome).
  • Myasthenia gravis (due to muscle-relaxing interactions).

Guideline and Storage in the UK

In the United Kingdom, fentanyl citrate is strictly controlled to avoid diversion and misuse.

  • Storage: It must be kept in a locked "Controlled Drugs" (CD) cupboard that satisfies the British Standard for security.
  • Record Keeping: Every dose administered need to be recorded in a Controlled Drugs Register, signed by 2 competent health care experts (typically a doctor and a nurse, or more nurses).
  • Disposal: Any squandered or unused part of an ampoule should be experienced and damaged according to regional trust policy (generally utilizing a denaturing package).

FAQ: Fentanyl Citrate Injection in the UK

1. Is Sublimaze still available in the UK?

While the brand name Sublimaze is the "innovator" item, the majority of UK healthcare facilities presently utilize generic versions made by business like Hameln or Martindale. These are pharmacologically identical.

2. What is Medic Store GB of Fentanyl injection in the UK?

The standard concentration is 50 micrograms per millilitre (50 mcg/ml). It is normally offered in 2ml (100mcg) and 10ml (500mcg) ampoules.

3. Can Fentanyl injection be offered in your home?

No. Fentanyl citrate injection is almost exclusively used in hospital settings (theatre, ICU, A&E) because of the threat of rapid breathing anxiety, which needs instant access to oxygen and resuscitation equipment.

4. How does Fentanyl compare to Morphine in strength?

Fentanyl is around 50 to 100 times more potent than morphine. This implies 100 micrograms of fentanyl is approximately equivalent to 10 milligrams of morphine.

5. What is the remedy for a Fentanyl overdose?

Naloxone (brand name Prenoxad or generic) is the basic opioid villain utilized to reverse the effects of fentanyl if breathing anxiety happens.


Summary

Fentanyl citrate stays one of the most crucial medications in the UK's surgical and extensive care environments. While it may be described by the historical brand Sublimaze, it is mostly utilized in its generic kind supplied by manufacturers such as Hameln, Wockhardt, and Martindale Pharma.

Its high strength and fast beginning make it an unparalleled tool for managing severe discomfort and facilitating anaesthesia, however these exact same qualities demand the greatest level of scientific tracking and regulatory oversight. Comprehending the brands and the medicinal profile of this drug is essential for safe practice and patient safety within the NHS and the larger UK healthcare sector.


Disclaimer: This article is for educational functions only and does not make up medical guidance. Healthcare professionals need to constantly refer to the British National Formulary (BNF) or their regional Trust standards for dosing and administration procedures.

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Pub: 15 May 2026 20:26 UTC

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